[R] Plotting gps coordinates on Shapefile

2013-06-13 Thread L S
Hi, I am new to doing spatial analysis. I am interested in trying many things in R, but one of the first things I would like to do is plot all of my lat, lon points in a csv file within a window defined by a shapefile. I have read in the shape file by doing the following: border

[R] Need help with installing gplots

2013-06-13 Thread Derek Serianni
Hi, I am new to linux so please bear with me. OS is CentOS 5.9 - This cannot be changed I am following a guide given to me to setup a server. I am told to do the following: To Install R: sudo yum install gcc sudo yum install make sudo yum install telnet sudo rpm -Uvh

[R] Lattice different colours for bars

2013-06-13 Thread Andrew McFadden (Andy)
Hi all Perhaps this is torturous methodology. I was trying to use lattice to produce a barchart showing the number positive and negative over time. I wasn't quite sure how create a different colour for values of arbo$Ikeda in the example below ie red for ikeda and green for neg.

Re: [R] odds ratio per standard deviation

2013-06-13 Thread David Winsemius
On Jun 12, 2013, at 4:58 PM, vinhnguyen04x wrote: L. Snow, Ted, Many thanks, I am sorry to made a question without context. I use three parameters of facial temperature, heart rate, and respiratory rate to distinguish infectious patients from healthy subjects. So I use logistic

Re: [R] Lattice different colours for bars

2013-06-13 Thread David Winsemius
On Jun 12, 2013, at 6:43 PM, Andrew McFadden (Andy) wrote: Hi all Perhaps this is torturous methodology. I was trying to use lattice to produce a barchart showing the number positive and negative over time. I wasn't quite sure how create a different colour for values of arbo$Ikeda in the

[R] useR! 2013 conference schedule and data analysis contest

2013-06-13 Thread Virgilio Gómez-Rubio
Dear all, This is an announcement that the final schedule for the useR! 2013 conference is available at http://www.r-project.org/useR-2013 . This year we will be having a Data Analysis Contest open to all participants. You can find more information here:

Re: [R] Need help with installing gplots

2013-06-13 Thread Prof Brian Ripley
On 13/06/2013 05:09, Derek Serianni wrote: Hi, I am new to linux so please bear with me. OS is CentOS 5.9 - This cannot be changed I am following a guide given to me to setup a server. I am told to do the following: To Install R: sudo yum install gcc sudo yum install make sudo yum install

[R] Search for Matching word in a Dataframe

2013-06-13 Thread R_Antony
Hi Here i have a dataframe called MyDat. MyDat- data.frame(NAME = c(ANTONY001, ARUN002, AKBAR003, JONATHAN004, PETER005, AVATAR006, YULIJIE007, RAM008, DESILVA009), COL_A = c(0, 0, 0, 1, 0, 1, 2, 3, 1), COL_B = c(0, 3, 0, 3, 3, 1, 0, 1, 2), COL_C = c(1, 2, 3, 1, 2, 3, 1, 2, 3),

Re: [R] Search for Matching word in a Dataframe

2013-06-13 Thread Pascal Oettli
Hello, ?grep grep('ARUN', MyDat$NAME) [1] 2 Regards, Pascal On 13/06/13 16:08, R_Antony wrote: Hi Here i have a dataframe called MyDat. MyDat- data.frame(NAME = c(ANTONY001, ARUN002, AKBAR003, JONATHAN004, PETER005, AVATAR006, YULIJIE007, RAM008, DESILVA009), COL_A = c(0, 0, 0, 1, 0, 1,

[R] find the position of first observation for each subject

2013-06-13 Thread Gallon Li
suppose I have the following data id=c(rep(1,3),rep(2,5),rep(3,4)) time=c(seq(1,3),seq(2,6),seq(1,4)) ds=cbind(id,time) ds id time [1,] 11 [2,] 12 [3,] 13 [4,] 22 [5,] 23 [6,] 24 [7,] 25 [8,] 26 [9,] 31 [10,] 32 [11,] 33

Re: [R] find the position of first observation for each subject

2013-06-13 Thread Chris Campbell
which(!duplicated(ds[, id])) Chris Campbell, PhD Tel. +44 (0) 1249 705 450 | Mobile. +44 (0) 7929 628 349 mailto:ccampb...@mango-solutions.com | http://www.mango-solutions.com Mango Solutions, 2 Methuen Park, Chippenham, Wiltshire , SN14 OGB UK -Original Message- From:

Re: [R] Plotting gps coordinates on Shapefile

2013-06-13 Thread Barry Rowlingson
On Thu, Jun 13, 2013 at 6:26 AM, L S losedag...@gmail.com wrote: I realized that the coordinates are completely different. The coordinates in my data file (i.e. my csv file) are traditional GPS coordinates (e.g. 39.17 or 76.37). The shapefile however has x,y values such as 1416813.54262877

[R] Force boxplot y-axis to zero

2013-06-13 Thread Shane Carey
Hi, I have a Tukey boxplot y-axis starting at 2.5, how do I force it's y-axis to start a t zero Thanks -- Shane [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do

Re: [R] Force boxplot y-axis to zero

2013-06-13 Thread Rui Barradas
Hello, Something like this? x - runif(100, min = 2, max = 10) boxplot(x, ylim = c(0, max(x))) Hope this helps, Rui Barradas Em 13-06-2013 10:02, Shane Carey escreveu: Hi, I have a Tukey boxplot y-axis starting at 2.5, how do I force it's y-axis to start a t zero Thanks

Re: [R] Force boxplot y-axis to zero

2013-06-13 Thread Shane Carey
Thanks that done the trick. Cheers On Thu, Jun 13, 2013 at 10:59 AM, Rui Barradas ruipbarra...@sapo.pt wrote: Hello, Something like this? x - runif(100, min = 2, max = 10) boxplot(x, ylim = c(0, max(x))) Hope this helps, Rui Barradas Em 13-06-2013 10:02, Shane Carey escreveu:

[R] Remove levels

2013-06-13 Thread Shane Carey
I have a dataframe consisting of factors in one column. Im trying to remove certain levels using the following code: toBeRemoved1-which(DATA$UnitName_1==lake) DATA-DATA[-toBeRemoved1,] However it will not remove the level lake In the past this worked for me, but its not working now. Any help

Re: [R] Remove levels

2013-06-13 Thread Albin Blaschka
Am 13.06.2013 14:02, schrieb Shane Carey: I have a dataframe consisting of factors in one column. Im trying to remove certain levels using the following code: toBeRemoved1-which(DATA$UnitName_1==lake) DATA-DATA[-toBeRemoved1,] However it will not remove the level lake Hello! Is this a part

Re: [R] survreg with measurement uncertainties

2013-06-13 Thread Andrews, Chris
It seems a line through the origin doesn't fit the data very well. That may be throwing off the fitting routine. data = c(144.53, 1687.68, 5397.91) err = c(8.32, 471.22, 796.67) model = c(71.60, 859.23, 1699.19) id = c(1, 2, 3) # display plot(data ~ model) library(Hmisc) errbar(model,

Re: [R] Remove levels

2013-06-13 Thread Shane Carey
Nope, but thanks On Thu, Jun 13, 2013 at 1:11 PM, Albin Blaschka albin.blasc...@standortsanalyse.net wrote: Am 13.06.2013 14:02, schrieb Shane Carey: I have a dataframe consisting of factors in one column. Im trying to remove certain levels using the following code:

Re: [R] find the position of first observation for each subject

2013-06-13 Thread arun
HI, Try this: ds1- data.frame(id,time) which(with(ds1,ave(time,id,FUN=seq))==1) #[1] 1 4 9 A.K. - Original Message - From: Gallon Li gallon...@gmail.com To: R-help@r-project.org Cc: Sent: Thursday, June 13, 2013 3:56 AM Subject: [R] find the position of first observation for each

Re: [R] Remove levels

2013-06-13 Thread Jeff Newmiller
Please read the Posting Guide, which among other things points out that you should be posting in plain text format, not HTML (which tends to corrupt example R code). Then please explain why your problem is not addressed by the below referenced section of the R Inferno. You may need to read [1]

Re: [R] Remove levels

2013-06-13 Thread David Carlson
Works fine for me. Too bad you didn't include actual data: set.seed(42) DATA - data.frame(UnitName_1=factor(sample(c(lake, pond, river), + 15, replace=TRUE)), Var=sample.int(100, 15)) DATA UnitName_1 Var 1 river 95 2 river 97 3lake 12 4 river 47 5

Re: [R] Remove levels

2013-06-13 Thread Alain Guillet
Hi, Without more information I guess your problem is that the level name still exists in the factor whereas it doesn't appear anymore in the factor. If so, try droplevels. Alain Guillet On 13/06/13 14:02, Shane Carey wrote: I have a dataframe consisting of factors in one column. Im trying

Re: [R] Lattice different colours for bars

2013-06-13 Thread Duncan Mackay
Hi The example contained errors in the line with cast and it is too late to check without a reproducible example i am only guessing perhaps add a groups argument and supply a col argument to superpose polygon eg groups = Ikeda, par.settings = list(superpose.polygon = list(col = 12 colours to

Re: [R] Remove levels

2013-06-13 Thread arun
Hi, Not sure if the OP is concerned about this: Using David's data  str(DATA) #'data.frame':    15 obs. of  2 variables: # $ UnitName_1: Factor w/ 3 levels lake,pond,..: 3 3 1 3 2 2 3 1 2 3 ...  #$ Var   : int  95 97 12 47 54 86 14 92 88 8 ...  toBeRemoved1 - which(DATA$UnitName_1==lake)  

Re: [R] Remove levels

2013-06-13 Thread David Carlson
If you've read the R Inferno section, you already know that following my example with levels(DATA$UnitName_1) [1] lake pond river DATA$UnitName_1 - factor(DATA$UnitName_1) levels(DATA$UnitName_1) [1] pond river removes the empty factor level. - David L

Re: [R] find the position of first observation for each subject

2013-06-13 Thread arun
Also, if the ids are ordered and numeric: which(c(1,diff(ds[,1]))0) #[1] 1 4 9 A.K. - Original Message - From: arun smartpink...@yahoo.com To: Gallon Li gallon...@gmail.com Cc: R help r-help@r-project.org Sent: Thursday, June 13, 2013 9:40 AM Subject: Re: [R] find the position of first

Re: [R] How to fit the cumulative probability distributive functiion with the gamma distribution?

2013-06-13 Thread Chris Campbell
val_w_time - data.frame(time = 1:12, val = c(24,7,4,1,2,1,0,0,0,1,0,0)) fitdistr(val_w_time$val,gamma) # Error in optim(x = c(24, 7, 4, 1, 2, 1, 0, 0, 0, 1, 0, 0), par = list( : # initial value in 'vmmin' is not finite # this error message doesn't necessarily

Re: [R] Need help with installing gplots

2013-06-13 Thread Derek Serianni
Thank you for the reply, I appreciate it very much. I have the following responses: sudo R CMD INSTALL ~/APX.X.X/Rserve_0.6-2.tar.gz Explaining what 'does not work' means. When I type this in. It says that the package is not found. Can you guide me as to what I need to do here? What

[R] Unexpected behavior from hist()

2013-06-13 Thread Mohamed Badawy
Hi... I'm still a beginner in R. While doing some curve-fitting with a raw data set of length 22,000, here is what I had: hist(y,col=red) gives me the frequency histogram, 13 total rectangles, highest is near 5000. Now hist(y,prob=TRUE,col=red,ylim=c(0,1.5)) gives me the density

Re: [R] rewrite script to eliminate constant object reference

2013-06-13 Thread bcrombie
Thanks very much to everyone for their replies, especially Ista, who took the time to write script. Before posting the question I had tried attach() and then within or with statements and now know why those generated errors. Some of my syntax was incorrect. Thanks for clearing that up. Within

Re: [R] Search for Matching word in a Dataframe

2013-06-13 Thread arun
Hi, You could use: ?grep grep(ARUN,MyDat[,1]) #[1] 2 #or library(stringr)  which(!is.na(str_match(MyDat[,1],ARUN))) #[1] 2  vec1-c(MyDat[,1],ARUN003,Arun)  which(!is.na(str_match(toupper(vec1),ARUN))) #[1]  2 10 11 A.K. - Original Message - From: R_Antony antony.akk...@ge.com To:

Re: [R] new window cairo bundle Re: [Rd] R/Sweave/cairo/freetype bug fix.

2013-06-13 Thread Hin-Tak Leung
Freetype 2.4.12 was released in early May. Just so that we are clear that this is a freetype bug which affects R's use of Cairo (among other things). So there are updated bundles, and also bundles for Mac OS X as well, for both a patched 2.4.11 and 2.4.12 proper. The accompanying *.txt has a

Re: [R] Unexpected behavior from hist()

2013-06-13 Thread Sarah Goslee
Hi, On Thu, Jun 13, 2013 at 11:13 AM, Mohamed Badawy mbad...@pm-engr.com wrote: Hi... I'm still a beginner in R. While doing some curve-fitting with a raw data set of length 22,000, here is what I had: hist(y,col=red) gives me the frequency histogram, 13 total rectangles, highest is near

[R] strange boolean results

2013-06-13 Thread Filippo Monari
Hi, anyone can explain to me the following? rho [1] 0.9452398 0.8792735 0.9641829 0.9876954 0.9993560 0.9826084 1.000 [8] 1.000 0.7982916 1.000 0.3361956 any(rho = 1) [1] FALSE thanks, regards Filippo __ R-help@r-project.org mailing

Re: [R] identify data points by certain criteria

2013-06-13 Thread Ye Lin
Thanks David! I will pay attention to the format later. This is not homework exercise, I am just providing a mimic sample of my actual data and as I described in the original post, this is 1min data so the time interval is 1 min. On Wed, Jun 12, 2013 at 6:20 PM, David Winsemius

Re: [R] Unexpected behavior from hist()

2013-06-13 Thread David Carlson
Density means that the AREAS of the bars add to 1, not the HEIGHTS of the bars. You probably have intervals that are less than 1. Eg: set.seed(42) x - rpois(1000, 5)/100 info - hist(x, prob=TRUE) info $breaks [1] 0.00 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 $counts

[R] puzzling behavior of within

2013-06-13 Thread Ista Zahn
Hi all, In answering a question yesterday about avoiding repeatedly typing the name of a data.frame when making modifications to it I discovered the following unexpected behavior of within: mtcars - within(mtcars, { x - 0 x[gear==4] - 1 }) generates a column named x in mtcars equal to 1

Re: [R] strange boolean results

2013-06-13 Thread Sarah Goslee
R FAQ 7.31. http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think-these-numbers-are-equal_003f On Thu, Jun 13, 2013 at 11:47 AM, Filippo Monari ingf...@gmail.com wrote: Hi, anyone can explain to me the following? rho [1] 0.9452398 0.8792735 0.9641829 0.9876954 0.9993560

Re: [R] strange boolean results

2013-06-13 Thread David Carlson
Frequently Asked Questions 7.31 Why doesn't R think these numbers are equal? http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think -these-numbers-are-equal_003f For more details read the First Circle of the R Inferno: http://www.burns-stat.com/pages/Tutor/R_inferno.pdf

Re: [R] puzzling behavior of within

2013-06-13 Thread Bert Gunter
Why are you surprised? It has nothing to do with within() . ?[- x - 0 g - 1:2 x[g==1]- 5 x [1] 5 NA -- Bert On Thu, Jun 13, 2013 at 9:00 AM, Ista Zahn istaz...@gmail.com wrote: Hi all, In answering a question yesterday about avoiding repeatedly typing the name of a data.frame when

Re: [R] puzzling behavior of within

2013-06-13 Thread Ista Zahn
On Thu, Jun 13, 2013 at 12:11 PM, Bert Gunter gunter.ber...@gene.com wrote: Why are you surprised? Because I missed the significance of examines the environment after the evaluation of 'expr' and makes the corresponding modifications to 'data' in ?within, and thought my example should be

Re: [R] puzzling behavior of within

2013-06-13 Thread Ista Zahn
On Thu, Jun 13, 2013 at 12:17 PM, Ista Zahn istaz...@gmail.com wrote: On Thu, Jun 13, 2013 at 12:11 PM, Bert Gunter gunter.ber...@gene.com wrote: Why are you surprised? Because I missed the significance of examines the environment after the evaluation of 'expr' and makes the corresponding

Re: [R] puzzling behavior of within

2013-06-13 Thread arun
within(mtcars,{ x-rep(0,nrow(mtcars));x[gear==4]-1;x[gear==3]-2}) #should fix this; A.K. - Original Message - From: Ista Zahn istaz...@gmail.com To: Bert Gunter gunter.ber...@gene.com Cc: r-help@r-project.org Sent: Thursday, June 13, 2013 12:17 PM Subject: Re: [R] puzzling behavior of

Re: [R] Unexpected behavior from hist()

2013-06-13 Thread R_noob#314159
Yep, that's it. Thanks a lot for the replies I got. I guess the point I was struggling with (as I was curve fitting a distribution to sample data) is the discrete vs continuous densities. But if one wants to model sample densities with a continuous, say normal, distribution then the histogram

[R] set.seed(x)

2013-06-13 Thread Pooya Lalehzari
Hello, If I use set.seed(x) to set a seed for the random number generator, how can I undo that to revert a random output every time I run my code? Thanks, Pooya. THIS E-MAIL IS FOR THE SOLE USE OF THE INTENDED RECIPIENT(S) AND MAY CONTAIN CONFIDENTIAL AND PRIVILEGED INFORMATION. ANY

Re: [R] Getting rid of rows matching a certain condition

2013-06-13 Thread arun
HI, Please check this link (http://r.789695.n4.nabble.com/Remove-levels-td4669441.html).  It was posted today. df1-subset(df, Trt!=blank) df2- df1 df1$Trt- factor(df1$Trt) levels(df1$Trt) #[1] Trt1 Trt2 #or  df2$Trt-droplevels(df2$Trt)  levels(df2$Trt) #[1] Trt1 Trt2 A.K. Hey guys I am

Re: [R] Plotting gps coordinates on Shapefile

2013-06-13 Thread MacQueen, Don
Your shapefile should include specifications for its coordinate system. Look for a file names maryland.prj in the same directory as maryland.shp. And that coordinate system should be included in your 'border' object. You might need to change to using readOGR() to load the shapefile into R. Use

[R] Installing package(s) into ... (as ‘lib’ is unspecified)

2013-06-13 Thread Raffaello Vardavas
Dear All, this may be a trivial problem. A collaborator has created an R package for internal use (not available on CRAN). This installs and works fine on my Mac but fails to install on windows. When I install the packagein windows by browing and pointing to the .zip file I get the

[R] Memory issues with R on Ubuntu

2013-06-13 Thread Halldór Björnsson
Hi, I am using an Lenovo Thinkpad with Ubuntu and 5.5Gb of RAM. I am running against a memory ceiling. Upon starting R the following command executes, but the system monitor tells me that R is now using 2.4 GB, and gc() agrees with that: m=matrix(data=1,ncol=18e3,nrow=18e3) gc()

Re: [R] set.seed(x)

2013-06-13 Thread Duncan Murdoch
On 13/06/2013 11:59 AM, Pooya Lalehzari wrote: Hello, If I use set.seed(x) to set a seed for the random number generator, how can I undo that to revert a random output every time I run my code? If you remove .Random.seed, then the next time a seed is needed it will be generated from the

Re: [R] Installing package(s) into ... (as ‘lib’ is unspecified)

2013-06-13 Thread Greg Snow
What evidence do you have that the package did not install? The only differences in the output that you show is that in the second case you get extra output about downloading the package which does not apply in the first case since you did not need to download the package. On Thu, Jun 13, 2013

Re: [R] Installing package(s) into ... (as ‘lib’ is unspecified)

2013-06-13 Thread Duncan Murdoch
On 13/06/2013 1:26 PM, Raffaello Vardavas wrote: Dear All, this may be a trivial problem. A collaborator has created an R package for internal use (not available on CRAN). This installs and works fine on my Mac but fails to install on windows. When I install the packagein windows by

[R] Survey imputation

2013-06-13 Thread Scott Raynaud
I'm working with NHIS survye data.  I'd like the to use muliple imputation to cover the missing data for the variables in which I'm interested.  My question concerns the use of certain variables in the imputation model.  For example, race would be an important predictor in the imputation

Re: [R] Survey imputation

2013-06-13 Thread Bert Gunter
Is this an R question? Seems like it belongs on a statistical or survey list, not r-help. Cheers, Bert On Thu, Jun 13, 2013 at 10:37 AM, Scott Raynaud scott.rayn...@yahoo.com wrote: I'm working with NHIS survye data. I'd like the to use muliple imputation to cover the missing data for the

Re: [R] Survey imputation

2013-06-13 Thread Ye Lin
look up imputation on survey data might be helpful On Thu, Jun 13, 2013 at 10:45 AM, Bert Gunter gunter.ber...@gene.comwrote: Is this an R question? Seems like it belongs on a statistical or survey list, not r-help. Cheers, Bert On Thu, Jun 13, 2013 at 10:37 AM, Scott Raynaud

Re: [R] Survey imputation

2013-06-13 Thread Scott Raynaud
I paln on using R to do the imputation once I figure out how to do it.   - Original Message - From: Bert Gunter gunter.ber...@gene.com To: Scott Raynaud scott.rayn...@yahoo.com Cc: r-help@r-project.org r-help@r-project.org Sent: Thursday, June 13, 2013 12:45 PM Subject: Re: [R] Survey

Re: [R] multilevel binary and ordered regression models

2013-06-13 Thread Rune Haubo
Could you share the results of sessionInfo() and str(alllev)? Also please share the exact in- and output with relevant error messages; for example 'cntnew:male' does not make much sense without context. Unfortunately I don't understand your model specification and is lost in the interpretation

[R] Database Connectivity Performance Comparison with ROracle

2013-06-13 Thread Mark Hornick
R users have a few choices of how to connect to their Oracle Database. The most commonly seen include: RODBC, RJDBC, and ROracle. However, these three packages have significantly different performance and scalability characteristics which can greatly impact application development. This blog

Re: [R] Survey imputation

2013-06-13 Thread David Winsemius
See Lumley's text Complex Surveys, chapter 9: Missing Data. In addition to the survey package he also uses teh RSQLite and mitols packages in his worked examples. He doesn't use the NHIS data for the missing data chapter, but he does provide examples using NHIS for other tasks. -- David. On

Re: [R] Instant search for R documentation

2013-06-13 Thread jonathan cornelissen
Hi Spencer, Thanks for the pointers. I just wanted to share with you that we made a website over the weekend that allows instant search of the R documentation on CRAN, see: www.Rdocumentation.org. It's a first version, so any feedback/comments/criticism most welcome.

Re: [R] identify data points by certain criteria

2013-06-13 Thread arun
Hi, May be this helps: source(Ye_data.txt)  dim(dat1) #[1] 44640 3 library(xts)  xt1- xts(dat1[,-1],strptime(dat1[,1],%m/%d/%Y %H:%M)) xtSub-xt1[T00:00:00/T08:00:00]  dim(xt1) #[1] 44640 2  dim(xtSub) #[1] 14911 2 lst1-split(xtSub,as.Date(index(xtSub))) sapply(lst1,function(x) {indx-

[R] Linear Model with Discrete Data

2013-06-13 Thread Lorenzo Isella
Dear All, I am struggling with a linear model and an allegedly trivial data set. The data set does not consist of categorical variables, but rather of numerical discrete variables (essentially, they count the number of times that something happened). Can I still use a standard linear

Re: [R] Linear Model with Discrete Data

2013-06-13 Thread Bert Gunter
Lorenzo: 1. This is a statistics question, not an R question. 2. Your statistical background appears inadequate -- it looks like Poisson regression, which would fall under generalized linear models. But it depends on how discrete discrete is (on some level, all measurements are discrete,

Re: [R] set.seed(x)

2013-06-13 Thread Michael Weylandt
On Jun 13, 2013, at 18:32, Duncan Murdoch murdoch.dun...@gmail.com wrote: On 13/06/2013 11:59 AM, Pooya Lalehzari wrote: Hello, If I use set.seed(x) to set a seed for the random number generator, how can I undo that to revert a random output every time I run my code? If you remove

Re: [R] set.seed(x)

2013-06-13 Thread C W
I asked a similar question earlier in the year, http://r.789695.n4.nabble.com/How-to-stop-set-seed-besides-exiting-out-of-R-td4661717.html I liked this solution from William, rm(list=.Random.seed, envir=globalenv()) Mike On Thu, Jun 13, 2013 at 5:27 PM, Michael Weylandt

[R] Using tables package - request for help

2013-06-13 Thread Santosh
Dear Rxperts, Is there a way to exclude NAs while computing the summary statistics using tables package? I would also like the count (length(x,na.rm=T) included for each column ... a - data.frame(p=rep(c(A,B),each=10,len=30), a=rep(c(1,2,3),each=10),id=seq(30), b=round(log(runif(30,-10,20))),

Re: [R] Using tables package - request for help

2013-06-13 Thread Santosh
Please ignore my previous message.I was able to figure out a solution.. here it is.. nlen - function(x) length(na.omit(x)) tabular(((p=factor(p))*(a=factor(a))+1) ~ (b + c)* ((N=nlen)+mean+sd),data=a) Thanks, Santosh On Thu, Jun 13, 2013 at 4:16 PM, Santosh santosh2...@gmail.com wrote:

Re: [R] Linear Model with Discrete Data

2013-06-13 Thread David Winsemius
On Jun 13, 2013, at 2:21 PM, Bert Gunter wrote: Lorenzo: 1. This is a statistics question, not an R question. 2. Your statistical background appears inadequate -- it looks like Poisson regression, which would fall under generalized linear models. But it depends on how discrete discrete

Re: [R] odds ratio per standard deviation

2013-06-13 Thread vinhnguyen04x
Thanks, David, I appreciate your help. -- View this message in context: http://r.789695.n4.nabble.com/odds-ratio-per-standard-deviation-tp4669315p4669501.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing

Re: [R] How to get a running mean result by R?

2013-06-13 Thread Jie Tang
yes ,Ma in forecast package does works but when the data included NA,NAN or INF ,it could not go on calculating the running 2013/6/12 Rui Barradas ruipbarra...@sapo.pt Hello, You can use, for instance, function ma() in package forecast. # if not yet installed #install.packages('forecast',

Re: [R] identify data points by certain criteria

2013-06-13 Thread arun
Hi, Check if this works for you: source(Ye_data.txt)  dim(dat1) library(xts)  xt1- xts(dat1[,-1],strptime(dat1[,1],%m/%d/%Y %H:%M)) xtSub-xt1[T00:00:00/T08:00:00] lst1-split(xtSub,as.Date(index(xtSub))) res- do.call(rbind,lapply(lst1,function(x){indx-

[R] merging data frames

2013-06-13 Thread Yasin Gocgun
Hi, I have been struggling with the issue of merging data frames that have common columns and have different dimensions. Although I made alot of search about it on internet, I could not find any function that would efficiently perform the required operation. So I would appreciate if anyone

[R] Problem with Get_map getting maps without country name

2013-06-13 Thread Simonas Kecorius
Dear R users, I use: mapImageData- get_map(source=google, c(lon=21, lat=57), zoom=6, maptype=terrain) to get ggmapTemp.png file in the directory. The problem is - some city and park names overlay with my data points I want to plot on this map. Is there a way to get the map without city, country