Re: [R] Create column of frequency

2009-09-29 Thread Chuck Cleland
]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71

Re: [R] How to calculate average correlation coefficient of a correlation matrix ?

2009-10-13 Thread Chuck Cleland
mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York

Re: [R] Import SPSS file to R

2009-10-19 Thread Chuck Cleland
. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

Re: [R] modifying model coefficients

2009-10-19 Thread Chuck Cleland
-- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r

Re: [R] How to average subgroups in a dataframe? (not sure how to apply aggregate(..))

2009-10-21 Thread Chuck Cleland
-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https

Re: [R] Simple question, I think

2009-10-22 Thread Chuck Cleland
__ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc

Re: [R] Bonferroni with unequal sample sizes

2009-10-23 Thread Chuck Cleland
-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https

Re: [R] What is the difference between anova {stats} and aov?

2009-10-27 Thread Chuck Cleland
. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd

Re: [R] Johnson-Neyman procedure (ANCOVA)

2009-10-31 Thread Chuck Cleland
/modprobe.htm Thanks in advance. best, Steve -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing

Re: [R] read.table (again)

2009-11-04 Thread Chuck Cleland
. Is there a way I can tell R, that every 4 digits, a new number begins? ?read.fwf I treif different things with sep. data - read.table (RA19930101.txt,header=F,sep=) Thanks for your help again in this topic. Sybille -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th

Re: [R] how to delete columns with NA values?

2010-04-14 Thread Chuck Cleland
a lot muting -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch

Re: [R] How to make a boxplot with exclusion of certain groups

2010-04-19 Thread Chuck Cleland
commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org

Re: [R] substract start from the end of the vector

2010-04-23 Thread Chuck Cleland
-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New

Re: [R] Determining Index of Last Element in Vector

2010-04-25 Thread Chuck Cleland
of a vector? If not, is there a better way to duplicate all elements of a vector except for the first and last? (I know you can achieve this using two lines, but I'm writing because I want to do it using one.) Alan -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New

Re: [R] vectorize a power analysis?

2010-05-12 Thread Chuck Cleland
of these and other appropriate methods? I'm not looking for specific code, just sort of a list of the common approaches with information about efficiency. Thanks, Jack -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495

Re: [R] How ls() only functions or anything else but functions?

2010-05-13 Thread Chuck Cleland
version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck

Re: [R] How ls() only functions or anything else but functions?

2010-05-13 Thread Chuck Cleland
On 5/13/2010 11:04 AM, Chuck Cleland wrote: On 5/13/2010 10:02 AM, John Edwards wrote: Hello, How ls() only functions or only data objects (basically anything other than functions) such as data.frame, numeric ...? c(ls.str(mode = function)) ls()[!(ls() %in% c(ls.str(mode=function

Re: [R] Getting dates in an SPSS file in right format.

2010-05-18 Thread Chuck Cleland
deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck

Re: [R] switching elements of a vector

2010-05-24 Thread Chuck Cleland
? Thank you for you help -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https

Re: [R] interaction effects in a Linear model

2009-11-23 Thread Chuck Cleland
]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org

Re: [R] matching and extracting data

2009-11-27 Thread Chuck Cleland
http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894

Re: [R] How to z-standardize for subgroups?

2009-11-29 Thread Chuck Cleland
)) To scale more than one variable in a concise call, consider something along these lines: apply(iris[,1:4], 2, function(x){ave(x, iris$Species, FUN = scale)}) hope this helps, Chuck Cleland --- On Sun, 11/29/09, Karsten Wolf w...@uni-bremen.de wrote: From: Karsten Wolf w...@uni-bremen.de

Re: [R] Finding cases in one subset that are closet to another subset

2009-12-02 Thread Chuck Cleland
/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894

Re: [R] writing 'output.csv' file

2009-12-04 Thread Chuck Cleland
commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org

Re: [R] Exchange NAs for mean

2009-12-17 Thread Chuck Cleland
list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010

Re: [R] Power calculation

2010-06-10 Thread Chuck Cleland
/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th

Re: [R] If-error-resume-next

2010-06-24 Thread Chuck Cleland
]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland

Re: [R] Logistic regression with multiple imputation

2010-06-30 Thread Chuck Cleland
/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732

Re: [R] Change the colour of lines in the xyplot?

2010-07-12 Thread Chuck Cleland
://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894

Re: [R] standardizing one variable by dividing each value by the mean - but within levels of a factor

2010-01-20 Thread Chuck Cleland
. Is there a more elegant way of doing it? with(x, ave(x=values, factor, FUN=function(x){x/mean(x)})) [1] 0.667 1.333 0.667 1.333 0.667 1.333 ?ave Thanks a lot! -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845

Re: [R] Estimation of S.E. based on bootstrapping (functions with two or more arguments)

2010-01-21 Thread Chuck Cleland
code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman

Re: [R] Extract R-squared from summary of lm

2010-01-22 Thread Chuck Cleland
. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman

Re: [R] Selective Plot Color

2010-01-27 Thread Chuck Cleland
}} __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc

Re: [R] extract R-squared and P-value from lm results

2010-01-29 Thread Chuck Cleland
commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org

Re: [R] Using auto.key with two variable plots

2010-01-30 Thread Chuck Cleland
, xlab=Action,ylab=Predicted Pop, xlim=c(xmin,xmax),ylim=c(ymin,ymax), auto.key=list(text=c('EAM','NULL'), corner=c(1,1 Thanks! --j -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY

Re: [R] Subset and plot

2010-02-02 Thread Chuck Cleland
, Day, Wgt) daily daily.sub-subset(daily, subset=Trial==2 Tanks==a4|Trial==2 Tanks==c4|Trial==2 Tanks==h4) daily.sub1-as.data.frame(daily.sub) attach(daily.sub1) daily.sub1 x11() plot(Day, Wgt) #plot(Day, Wgt, pch=c(2,19,21)[Tanks]) detach(daily.sub1) -- Chuck Cleland, Ph.D. NDRI, Inc

Re: [R] locate word in vector

2007-09-14 Thread Chuck Cleland
superman are the first, fourth and fifith element in a? Please help me out. Thanks. a - c(superman, xamn, spiderman, superman, superman, xman, spiderman) grep(^superman$, a) [1] 1 4 5 ?grep OR which(a %in% superman) [1] 1 4 5 ?which ?is.element -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West

Re: [R] By() with method = spearman

2007-09-19 Thread Chuck Cleland
-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch

Re: [R] Row-by-row regression on matrix

2007-09-19 Thread Chuck Cleland
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu

Re: [R] regression by groups

2007-10-09 Thread Chuck Cleland
do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438

Re: [R] save lm output into vectors

2007-10-10 Thread Chuck Cleland
-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY

Re: [R] subset data.frame with constraint of many values?

2007-10-24 Thread Chuck Cleland
list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845

Re: [R] simple averaging question?

2007-11-01 Thread Chuck Cleland
]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck

Re: [R] running sum of a vector

2007-11-07 Thread Chuck Cleland
code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

Re: [R] producing output as *.spo (spss output format)

2007-11-10 Thread Chuck Cleland
, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman

Re: [R] factors levels ?

2007-11-13 Thread Chuck Cleland
in the range [-3,-2.9) have the same factor... [-3,-2.9) etc. I would assume R has such a function but I cant recall which one it is. ?cut -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438

Re: [R] Effect size of comparison of two levels of a factor in multiple linear regression

2008-02-04 Thread Chuck Cleland
__ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New

Re: [R] Sampling

2008-02-05 Thread Chuck Cleland
. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do

Re: [R] Row percentages for a table object

2008-02-07 Thread Chuck Cleland
/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W

Re: [R] Help with package reshape, wide to long

2008-02-07 Thread Chuck Cleland
; it makes more sense with my actual measurements) Thanks -Don -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r

Re: [R] reshape question

2008-02-08 Thread Chuck Cleland
code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help

Re: [R] reverse vector elements

2008-02-12 Thread Chuck Cleland
-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York

Re: [R] How to run one-way anova R?

2008-02-12 Thread Chuck Cleland
commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list

Re: [R] Creating a data.frame

2008-02-13 Thread Chuck Cleland
commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing

Re: [R] Removing columns that are all NA from a matrix

2008-02-14 Thread Chuck Cleland
-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch

Re: [R] Levene's test for homogeneity of variances (befor using ANOVA)

2008-02-14 Thread Chuck Cleland
-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel

Re: [R] lmList, tapply() and lm()

2008-02-15 Thread Chuck Cleland
, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https

Re: [R] reshaping data frame

2008-02-20 Thread Chuck Cleland
), covar = rep( covar, ncases), case.id = rep(case.id, ncases))) The idea is to first reshape() and then rep() each variable ncases times. You can then convert newdf$level into a factor if you like. Thank you very much!! Ahimsa -- Chuck Cleland, Ph.D

Re: [R] using subset() in data frame

2008-02-23 Thread Chuck Cleland
://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732

Re: [R] using subset() in data frame

2008-02-23 Thread Chuck Cleland
On 2/23/2008 6:09 AM, Chuck Cleland wrote: On 2/22/2008 8:01 PM, Robert Walters wrote: R folks, As an R novice, I struggle with the mystery of subsetting. Textbook and online examples of this seem quite straightforward yet I cannot get my mind around it. For practice, I'm using the code

Re: [R] Bootstrapping data with a regression model

2008-02-24 Thread Chuck Cleland
/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W

Re: [R] Newbie: Where is lmFit function?

2008-02-24 Thread Chuck Cleland
Is there a command in R where i can just type, and it will download it for me? RSiteSearch(lmFit) shows there is a function with that name in the limma package. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171

Re: [R] efficient is.na tabulation?

2008-02-25 Thread Chuck Cleland
. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE

Re: [R] how to convert a table to adjacency matrix used in social network analysis?

2008-02-27 Thread Chuck Cleland
edge into the diagram, but maybe that is explained in the documentation for the sna and Rgraphviz packages. Thanks in advance! Regards, -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917

Re: [R] Kaiser-Meyer-Olkin

2008-02-28 Thread Chuck Cleland
@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY

Re: [R] I need to buy a book in R

2008-03-03 Thread Chuck Cleland
on this list may meet your needs: http://www.r-project.org/doc/bib/R-books.html Thanks -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894

Re: [R] subsetting a dataframe

2008-03-04 Thread Chuck Cleland
://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel

Re: [R] Asking, are simple effects different from 0

2008-03-05 Thread Chuck Cleland
-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY

Re: [R] Asking, are simple effects different from 0

2008-03-05 Thread Chuck Cleland
(tension = M, wool = B), b=list(tension = H, wool = B))$X (Intercept) tensionM tensionH woolB tensionM:woolB tensionH:woolB 1 01 -1 0 1 -1 Chuck Cleland wrote: One approach would be to use glht() in the multcomp package. You

Re: [R] Asking, are simple effects different from 0

2008-03-05 Thread Chuck Cleland
. Chuck Cleland wrote: Each column corresponds to one of the coefficients in the model, and each row specifies a particular contrast. The numbers in the matrix indicate how the model coefficients are combined to indicate a particular difference in means. For example, the first row

Re: [R] Asking, are simple effects different from 0

2008-03-06 Thread Chuck Cleland
with no explanatory variable effects of any kind, based only on the overall location of the response. I guess my question is, if I want to know if each of those is different from 0, then should I use the 48df from the full model, or the 9 for each cell? Chuck Cleland wrote: That does not corresponds

Re: [R] Correlation matrix one side with significance

2008-03-06 Thread Chuck Cleland
. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd

Re: [R] Finding Interaction and main effects contrasts for two-wayANOVA

2008-03-09 Thread Chuck Cleland
://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732

Re: [R] Weighting data when running regressions

2008-03-10 Thread Chuck Cleland
/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512

Re: [R] How to get the value of last element in a vector/array ?

2008-03-15 Thread Chuck Cleland
]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI

Re: [R] locating minimum value in matrix

2008-03-15 Thread Chuck Cleland
]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck

Re: [R] basic help

2008-03-20 Thread Chuck Cleland
://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu

Re: [R] MDS

2008-03-23 Thread Chuck Cleland
, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch

Re: [R] maximum of identical elements in a vector

2008-03-30 Thread Chuck Cleland
__ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71

Re: [R] Reverse seq

2008-03-31 Thread Chuck Cleland
, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch

Re: [R] convert delimited string to vector

2008-03-31 Thread Chuck Cleland
, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list

Re: [R] SAS-like method of recoding variables?

2009-06-22 Thread Chuck Cleland
__ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc

Re: [R] vector and NA

2009-06-23 Thread Chuck Cleland
do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F

Re: [R] distinguish regression lines in grouped, black and white lattice xyplot

2009-06-24 Thread Chuck Cleland
__ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd

Re: [R] variable driven summary of one column

2009-06-25 Thread Chuck Cleland
-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894

Re: [R] assessing data variation

2009-07-10 Thread Chuck Cleland
, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https

Re: [R] duplicate data points on a line graph

2009-07-15 Thread Chuck Cleland
__ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West

Re: [R] duplicate data points on a line graph

2009-07-16 Thread Chuck Cleland
-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https

Re: [R] calculating median with a condition

2009-07-20 Thread Chuck Cleland
, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch

Re: [R] how to transform m/d/yyyy to yyyymmdd?

2009-07-21 Thread Chuck Cleland
20080103 20080112 How to do it? Thank you very much Julia dates - c(2/27/1992, 2/27/1992, 1/14/1992, 2/28/1992, 2/1/1992) as.character(as.Date(dates, %m/%d/%Y), %Y%m%d) [1] 19920227 19920227 19920114 19920228 19920201 ?as.Date -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West

Re: [R] Find multiple elements in a vector

2009-07-22 Thread Chuck Cleland
)) but isn't there something more streamlined? My first guess was y=c(2,3) which(x==y) integer(0) which doesn't work. I haven't found any clue in the R manual. How about this? which(x %in% c(2,3)) Thanks! -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th

Re: [R] Calculate weighted mean for each group

2009-07-23 Thread Chuck Cleland
-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894

Re: [R] Welch Anova ?

2009-07-24 Thread Chuck Cleland
-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512

Re: [R] metafor

2009-07-24 Thread Chuck Cleland
-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894

Re: [R] edit.row.names taking row names from the edited dataframe

2009-07-30 Thread Chuck Cleland
this: myIDs - c('A1','B1','B2','B3','B4','B6','B7','B8','B9','B13','C1','G1') subset(mumpup, ID %in% myIDs) Best wishes, Ross -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax

Re: [R] lme funcion in R

2009-08-03 Thread Chuck Cleland
-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New

Re: [R] Obtaining the first /or last record of a subject in a longitudinal study

2008-08-07 Thread Chuck Cleland
148.91 24 14 -1 151.61 25 19 -1 156.91 26 4 -1 155.71 aggregate(Oxboys[,-1], list(Subject = Oxboys$Subject), tail, n=1) .. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu

Re: [R] multiple tapply

2008-08-07 Thread Chuck Cleland
Petal.Width virginica 2.026 -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https

Re: [R] multiple tapply

2008-08-07 Thread Chuck Cleland
-- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo

Re: [R] ANOVA

2008-08-10 Thread Chuck Cleland
-contained, reproducible code. -- Chuck Cleland, Ph.D. NDRI, Inc. (www.ndri.org) 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 __ R-help@r-project.org mailing list https

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