[R] DESeq2 nbinomLRT reduced formula

2014-02-17 Thread Catalina Aguilar Hurtado
Hi, I am trying to use DESeq2 but I having troubles determining the reduced formula for the nbinomLRT. I will like to compare the results with the DEGs I got by nbinomGLMTest using DESeq. With DESeq I did the following: co=read.table(C_LPS_PBS_1h_DS.txt,header=T) ind=c(1,2,4,5,1,3,4,5)

[R] R-Help. Error in file(file, ifelse(append, a, w)). No connection.

2014-02-17 Thread Michał Wajszczuk
Hi, I just download R and R-studio. I have one problem and i can't make through it. I'm trying to use help function in R-studio but after typing something, error appears. I already searched in web and asked my friends but no one can help me. Could you please help me or give any advise? I have

[R] 2 phase coxian distribution

2014-02-17 Thread nelson Sibanda
Can you please help me to estimate the parameters of a 2phase coxian distribution using R. I am Nelson Sibanda currently a student doing Msc Operations Research and Statistics at National University of Science and Technology, Bulawayo, Zimbabwe. The following code were tried and the data

Re: [R] R-Help. Error in file(file, ifelse(append, a, w)). No connection.

2014-02-17 Thread David Winsemius
On Feb 16, 2014, at 11:54 PM, Michał Wajszczuk wrote: Hi, I just download R and R-studio. I have one problem and i can't make through it. I'm trying to use help function in R-studio but after typing something, error appears. I already searched in web and asked my friends but no one can

Re: [R] Filling missing data in a Panel

2014-02-17 Thread arun
Hi, Looks like one column name is missing.  I am not sure about the output you wanted.  May be this helps. dat - read.table(text=row.names bank_name  date px_last  Q_Y p_made q_made    p_for 1  2    1  11/30/06    1.31 p406-q406    406  406  1 2  

Re: [R] Filling missing data in a Panel

2014-02-17 Thread arun
Sorry, a typo: vec3 instead of vec2  dat3 - data.frame(bank_name=vec3,p_for=rep(seq(18),length(unique(dat$bank_name A.K. On , arun smartpink...@yahoo.com wrote: Hi, Looks like one column name is missing.  I am not sure about the output you wanted.  May be this helps. dat -

Re: [R] need help to convert in to panel data format

2014-02-17 Thread Michael Dewey
At 17:49 16/02/2014, Ramesh Chandra Das wrote: Dear All, The data format is like this Company 2001 2001 2001 2002 2002 2002 2003 2003 2003 2004 2004 2004 3M India Ltd. 1160.2 2082.7 67.1 1094.3 1069.9 221.6 1160.2 2082.7 67.1 1094.3 1069.9 221.6 A B B India Ltd. 7758 7932.8 698.2 7205.4

Re: [R] psych package - Cronbach`s Alpha - warning message

2014-02-17 Thread JLucke
I too don't understand the error message. However Coefficient Alpha is easily calculated. To wit: library(psych) tt - cbind(c(1,0.58) , c(0.58,1)) colnames(tt) = rownames(tt) = list(V1 , V2) p - nrow(tt) alpha - p/(p-1) * (1-sum(diag(tt))/sum(tt)) Numerous caveats regarding using C-Alpha

[R] Interpretation / Usage of davies.test

2014-02-17 Thread Katharina Mersmann
Hello R-Users, I have a Problem in understanding my results using the davies.test I read the pdf-documentation on the segmented package and followed the instructions. 1st performing the Davies.test : davies.test(reg1.2,~lagBYmean) Davies' test for a change in the

Re: [R] Subset for plot in R

2014-02-17 Thread arun
Hi, Try: set.seed(49)  dat1 - data.frame(year= rep(2010:2013,c(10,8,9,13)),x=sample(1e4,40,replace=TRUE),y=sample(40,40,replace=TRUE)) plot(x~y,data=dat1,subset=year 2012) #or with(subset(dat1,year 2012),plot(y,x)) A.K. Hi R people This might take me the whole day to figure out, instead

[R] Return rows with largest, cumulative, between column differences

2014-02-17 Thread Morway, Eric
Using the small data set below (which is a small snippet of a much larger dataset), I'd like to get the row(s) that corresponds to the largest, cumulative, absolute difference between the value in base and each of the remaining columns. For example, in row 2, the three absolute differences of

Re: [R] Convert values below threshold to 0 (different threshold/column)

2014-02-17 Thread arun
Hi, May be this helps: set.seed(49) mat1 - matrix(sample(120,40*13,replace=TRUE),ncol=13) #threshold values set.seed(38) th1 - sample(30,13,replace=TRUE) indx - mapply(,as.data.frame(mat1),th1) #or indx1 - !mapply(findInterval,as.data.frame(mat1),th1) #or indx2 - t((t(mat1)-th1) 0)

Re: [R] Interpretation / Usage of davies.test

2014-02-17 Thread Vito M. R. Muggeo
dear Katie, Since you are looking for exactly 1 breakpoint (namely you know the number of breakpoints), I suggest to use bootstrap restarting (default in segmented) with the rough value from davies.test() as a starting value, namely o-davies.test(reg1.2,~lagBYmean)

Re: [R] Return rows with largest, cumulative, between column differences

2014-02-17 Thread arun
Hi, Try: indx -  which(round(rowSums(abs(sweep(edm[,grep(perturb,colnames(edm))],1,edm[,base],`-`))),4) =0.0025) ##if there is threshold value  indx #[1] 22 23 24 25 28 31 33 edm[indx,] A.K. On Monday, February 17, 2014 11:49 AM, Morway, Eric emor...@usgs.gov wrote: Using the small data set

[R] [R-pkgs] New package: RoughSets (v1.0-0)

2014-02-17 Thread Christoph Bergmeir
Dear R users, we are happy to announce that a new package, RoughSets, is available on CRAN at http://cran.r-project.org/web/packages/RoughSets/index.html It is a comprehensive package for rough set theory and fuzzy rough set theory, with a detailed manual and many demos showing it's use. Here

[R] How to calculate moving average without using filter()?

2014-02-17 Thread C W
Hi list, How do I calculate a moving average without using filter(). filter() does not seem to give weighted averages. I am looking into apply(), tapply,... But nothing moves. For example, dat-c(1:20) mean(dat[1:3]) mean(dat[4:6]) mean(dat[7:9]) mean(dat[10:12]) etc... I understand the point

Re: [R] How to calculate moving average without using filter()?

2014-02-17 Thread Bert Gunter
There are a zillion answers to this, because your question is really: How do I smooth a time series? So you can search on appropriate keywords. My answer is: don't use moving averages -- that's pathetically ancient. ?loess is one among the zillions of alternatives you might consider. Post on CV

Re: [R] How to calculate moving average without using filter()?

2014-02-17 Thread David Winsemius
On Feb 17, 2014, at 10:45 AM, C W wrote: Hi list, How do I calculate a moving average without using filter(). filter() does not seem to give weighted averages. I am looking into apply(), tapply,... But nothing moves. For example, dat-c(1:20) mean(dat[1:3]) mean(dat[4:6])

Re: [R] How to calculate moving average without using filter()?

2014-02-17 Thread Rui Barradas
Hello, Many packages have a movind average function. For instance package forecast. Or library(sos) findFn(moving average) In your example, what you compute is not exactly a moving average, but in can be computed with something like the following. s - (seq_along(dat) - 1) %/% 3

[R] Checking for and adding ... arguments to a function...

2014-02-17 Thread Jonathan Greenberg
R-helpers: I'm guessing this is an easy one for some of you, but I'm a bit stumped. Given some arbitrary function (doesn't matter what it does): myfunction - function(a,b,c) { return(a+b+c) } I want to test this function for the presence of the ellipses (...) and, if they are missing, create a

Re: [R] Checking for and adding ... arguments to a function...

2014-02-17 Thread David Winsemius
On Feb 17, 2014, at 1:22 PM, Jonathan Greenberg wrote: R-helpers: I'm guessing this is an easy one for some of you, but I'm a bit stumped. Given some arbitrary function (doesn't matter what it does): myfunction - function(a,b,c) { return(a+b+c) } I want to test this function for

Re: [R] Checking for and adding ... arguments to a function...

2014-02-17 Thread Ista Zahn
Here are two ways: ## construct formals adding ... f - c(formals(myfunction), unlist(alist(... = ))) ## replace the formals, excluding the extra ... if it previously existed formals(myfunction) - f[!duplicated(names(f))] ## 2nd way, searching for ... and doing the replacement only if it is not

Re: [R] Checking for and adding ... arguments to a function...

2014-02-17 Thread Rui Barradas
Hello, Use ?formals. formals(myfunction) $a $b $c $... Hope this helps, Rui Barradas Em 17-02-2014 21:22, Jonathan Greenberg escreveu: R-helpers: I'm guessing this is an easy one for some of you, but I'm a bit stumped. Given some arbitrary function (doesn't matter what it does):

[R] scatterplot of two y's

2014-02-17 Thread Ramiro Barrantes
Hello, Sorry if this is repeated somewhere, I imagine it must be a common issue but I can't find an answer! I have a data.frame with two responses, example (response variables to x are y1 and y2): df-data.frame(x=1:10,y1=1:10,y2=11:20) I would like to see it on the same plot with different

Re: [R] scatterplot of two y's

2014-02-17 Thread arun
Hi, Try: library(reshape2)  df2New - melt(df,id.var=x)  ggplot(df2New,aes(x=x,y=value,colour=variable))+geom_point(shape=1) A.K. On Monday, February 17, 2014 5:42 PM, Ramiro Barrantes ram...@precisionbioassay.com wrote: Hello, Sorry if this is repeated somewhere, I imagine it must be a

[R] date objects

2014-02-17 Thread Erin Hodgess
Hello! I generate the following two data frames: xa.df - data.frame(x=rnorm(10),time=2001:2010) xa.df x time 1 -1.73207086 2001 2 -0.84014049 2002 3 -0.02332163 2003 4 -1.47236670 2004 5 -0.17736265 2005 6 -1.27134314 2006 7 -2.53425374 2007 8 0.79132952 2008 9

[R] plot a list of trellis objects

2014-02-17 Thread Santosh
Dear Rxperts Is there a way to control the display order (or simplistically control panel layout) of a list of trellis objects without using a for loop (or whatever)? I just realize that gridExtra has that feature.. (grid.arrange)... But, converting each of those elements of the list of trellis

Re: [R] date objects

2014-02-17 Thread Ista Zahn
Hi Erin, Best is subjective, but I like library(lubridate) library(plyr) xb.df - mutate(xb.df, time = ymd(time, truncated = 1), year = year(time), quarter = quarter(time)) Best, Ista On Mon, Feb 17, 2014 at 7:35 PM, Erin Hodgess

[R] one last date object question please

2014-02-17 Thread Erin Hodgess
Hello again! Using as.yearmon or as.yearqtr will produce an xts object. Is there something for annual objects that works in the same way please? thanks, Erin -- Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston - Downtown mailto:

Re: [R] one last date object question please

2014-02-17 Thread Pascal Oettli
Hi Erin, In the xts package, functions endpoints and period.apply are quite flexible. It might helps you to achieve what you are trying to do. Regards, Pascal On 18 February 2014 12:01, Erin Hodgess erinm.hodg...@gmail.com wrote: Hello again! Using as.yearmon or as.yearqtr will produce an

Re: [R] plot a list of trellis objects

2014-02-17 Thread Jeff Newmiller
What in the world is so horrible about for loops? --- Jeff NewmillerThe . . Go Live... DCN:jdnew...@dcn.davis.ca.usBasics: ##.#. ##.#. Live Go...

Re: [R] plot a list of trellis objects

2014-02-17 Thread Frede Aakmann Tøgersen
How about lattice.plots - list(xyplot(rnorm(10) ~ 1:10, type = b), xyplot(rnorm(10) ~ 1:10, type = b), xyplot(rnorm(10) ~ 1:10, type = b), xyplot(rnorm(10) ~ 1:10, type = b))

Re: [R] scatterplot of two y's

2014-02-17 Thread Jim Lemon
Hello, Sorry if this is repeated somewhere, I imagine it must be a common issue but I can't find an answer! I have a data.frame with two responses, example (response variables to x are y1 and y2): df-data.frame(x=1:10,y1=1:10,y2=11:20) I would like to see it on the same plot with

Re: [R] count and sum simultaneously in R pivot table

2014-02-17 Thread arun
Hi, Check if this works: library(reshape2) res1 - acast(FLSAdata_melt, ViolationDesc + ReasonDesc ~ variable, sum, margins=TRUE)[,-4] res2 - within(as.data.frame(res1),`Count of Case ID` - dcast(FLSAdata_melt, ViolationDesc + ReasonDesc ~ variable, length, margins=TRUE)[,3])[,c(4,1:3)]