[R] construct stem and leaf plot

Dear r-users,   I would like to construct tem and leaf plot using iris data. It should be easy, but I don't understand why the plot is not right.   Thank you so much for your help.   dat - iris[,1] stem(dat) The decimal point is 1 digit(s) to the left of the | 42 | 0 44 | 46 | 00 48

Re: [R] Looking for knitr example for beginner (NO RStudio)

All your questions are answered by the knitr book in my first reply, which introduces knitr in a systematic manner. For the web pages, I have tried my best, and nobody can make everybody happy. I do not understand why you do not understand Rnw and markdown, and I do not quite believe a person who

[R] Fwd: extracting variance and covariance

hi, Please help me in calculating variance and covariance as i am getting the following error Error in lambda * S + (1 - lambda) * a : non-conformable arrays -- Forwarded message -- From: G Girija girija...@gmail.com Date: Thu, Jul 18, 2013 at 10:20 PM Subject: extracting

Re: [R] [R-sig-eco] extract beta.sim from dist type data (package betapart)

Hello Sarah, Thank you for the help very much. Please kindly advise manuals dealing with the object list (or dist). In addition, I would like to show the beta diversity index in a map. Please kindly advise any other R package in need. Elaine On Wed, Jul 17, 2013 at 10:20 PM, Sarah Goslee

[R] mgcv: Impose monotonicity constraint on single or more smooth terms

Dear R help list, This is a long post so apologies in advance. I am estimating a model with the mgcv package, which has several covariates both linear and smooth terms. For 1 or 2 of these smooth terms, I know that the truth is monotonic and downward sloping. I am aware that a new package

[R] R Help

Hi everyone, I have a dataset which I am handling with R . Unfortunately I have two kinds of empty cells, one corresponds to missing values and the other one is empty because it has to. I ‘m going to put an example (just a part of my dataset ) to try to clarify my question: missing values are

Re: [R] Help: Error when installing R 2.8.1 in IBM AIX system from source code

Hi Jeff, Thanks for your quick response. Let me describe more about my situation. 1. Patch file - Yes, I found patch didn't change any file, so I manually changed 4 files(R-2.8.1/configure, R-2.8.1/configure.ac, R-2.8.1/Makeconf.in, R-2.8.1/src/main/Makefile.in) by reading the patch file. 2.

[R] Heckit model with Robus std error fit

Hi, I am currently usind R to do a heckit maxlikehood model and I was wondering if there is anyway to do it but specifying the robustness of the std error. I would like it robust. I am currently working with: heckit(selection= ,outcome= , method ml) Is there anithing else to type into this

Re: [R] R Help

Hi It would be better if you provided either str(yourdata) or dput(yourdata) (or a part illustrating those 2 kinds of missing values) Anyway I would use NA for missing and some other identifier for empty. temp a b c 1 1 empty 2 NA filled xx 3 2 filled xx is.na(temp) a

[R] [R-pkgs] acs package version 1.1: download and analyze census data from the ACS

We are pleased to announce that version 1.1 of the acs package is now available on CRAN. The package allows users to automatically download, analyze, and present data from the U.S. Census American Community Survey. Major improvements in versions 1.0 and 1.1 include: * A single acs.fetch()

Re: [R] question...

Hi, dat-read.table(text=   1 0  1  1  1  1    0  0  1  0  0  1    1  0  0  0  0  0    2  1  1  2  1  1 ,sep=,header=FALSE)  which(sapply(seq_len(nrow(dat)),function(i) wilcox.test(unlist(dat[i,]))$p.value)0.05) #there will be warnings() though #[1] 2 3 table(sapply(seq_len(nrow(dat)),function(i)

[R] [R-pkgs] new package 'prevalence'

Dear list members, A new package, called *prevalence *(version 0.1.0), is now available on CRAN: http://cran.r-project.org/package=prevalence This package provides Frequentist and Bayesian methods useful in prevalence assessment studies. More specifically, the following functions are

Re: [R] Help: Error when installing R 2.8.1 in IBM AIX system from source code

On 19/07/2013 6:16 AM, De Xin Luan wrote: Hi Jeff, Thanks for your quick response. Let me describe more about my situation. 1. Patch file - Yes, I found patch didn't change any file, so I manually changed 4 files(R-2.8.1/configure, R-2.8.1/configure.ac, R-2.8.1/Makeconf.in,

Re: [R] construct stem and leaf plot

Hi, On Fri, Jul 19, 2013 at 2:15 AM, Roslina Zakaria zrosl...@yahoo.com wrote: Dear r-users, I would like to construct tem and leaf plot using iris data. It should be easy, but I don't understand why the plot is not right. Thank you so much for your help. dat - iris[,1] stem(dat) The

Re: [R] Help: Error when installing R 2.8.1 in IBM AIX system from source code

On 19/07/2013 9:27 AM, De Xin Luan wrote: Hello, They can't solve the problem of R installation and direct me to contact R help. I want to follow your standard way to install R 2.8.1 in AIX 7.1 64bit system. Please guide me to install R 2.8.1. Thank you. Presumably you're paying them, so

[R] S4 method signature - integer matrix

Dear R-Users and R-Devels, I am programming a package with S4 classes and I search for a solution of the following problem: If you want an S4 method to await an integer argument you set the signature like this setMethod(myfunction, signature(object = myClass, y = integer), function(object,

Re: [R] extracting variance and covariance

-Original Message- I am not able to 'extract variance and covariance' I'm having a little trouble extracing meaning. What data or model do you intend extracing variances and covariances from? S *** This email and any

[R] Adding List Elements To A Data Frame

Hi I am trying to add the contents of the list myList to a new column z in the data frame myDataframe myList - list(c(A1,B1), c(A2,B2,C2), c(A3,B3)) myDataframe - data.frame(x=c(1,2,3), y=c(R,S,T)) Would like to produce x y z 1 R A1,B1 2 S A2,B2,C2 3 T A3,B3 where z is a character

Re: [R] help with matrix

On 19/07/2013 10:17 AM, Kátia Emidio wrote: Hi, I am a beginner at R and I would like to get information from a matrix, where the numbers are larger than or equal to 50m . This means that plants need to be apart at least 50m. I need to get the selection as in a way that I can identify which

Re: [R] Adding List Elements To A Data Frame

On 7/19/2013 12:54 PM, Pete Brecknock wrote: Hi I am trying to add the contents of the list myList to a new column z in the data frame myDataframe myList - list(c(A1,B1), c(A2,B2,C2), c(A3,B3)) myDataframe - data.frame(x=c(1,2,3), y=c(R,S,T)) Would like to produce x y z 1 R A1,B1

Re: [R] Adding List Elements To A Data Frame

Thanks Brian. Perfect. Brian Diggs wrote On 7/19/2013 12:54 PM, Pete Brecknock wrote: Hi I am trying to add the contents of the list myList to a new column z in the data frame myDataframe myList - list(c(A1,B1), c(A2,B2,C2), c(A3,B3)) myDataframe - data.frame(x=c(1,2,3), y=c(R,S,T))

Re: [R] Adding List Elements To A Data Frame

On Jul 19, 2013, at 12:54 PM, Pete Brecknock wrote: Hi I am trying to add the contents of the list myList to a new column z in the data frame myDataframe myList - list(c(A1,B1), c(A2,B2,C2), c(A3,B3)) myDataframe - data.frame(x=c(1,2,3), y=c(R,S,T)) Would like to produce x y

Re: [R] Kruskal.test

Hi, You could try: Chisq1-do.call(cbind,lapply(c(0.05,0.001),function(i) {x1-sapply(seq_len(nrow(Specc)),function(i) chisq.test(as.table(unlist(Specc[i,-c(1:3)])))$p.value); sum(x1i)}))   Wilcox1-do.call(cbind,lapply(c(0.05,0.001),function(i){x1-sapply(seq_len(nrow(Specc)),function(i)

[R] help with matrix

Hi, I am a beginner at R and I would like to get information from a matrix, where the numbers are larger than or equal to 50m . This means that plants need to be apart at least 50m. I need to get the selection as in a way that I can identify which pair of species are 50m or more apart. here a

Re: [R] Adding List Elements To A Data Frame

Hello, If you create the 3rd column like that, it will be named V3, not z. You must do one of myDataframe$z - I(myList) myDataframe[[z]] - I(myList) Rui Barradas Em 19-07-2013 22:28, David Winsemius escreveu: On Jul 19, 2013, at 12:54 PM, Pete Brecknock wrote: Hi I am trying to add the

[R] Using text and variable in ggtitle (ggplot2)

Hello, I am using ggplot2 to plot a graph and I want to give a title to the plot that has both text and variables. I have tried a couple of ways, but none of the methods work. Below is my code. Under ggtitle RR, N, alpha1 are variables and RR(overall), N, alpha are strings. Require(ggplot2)

[R] Identify Leverage Points

Hello, I'm working on some fairly standard regression models (linear, logistic, and poisson.) Unfortunately, the data is rather messy. A visual inspection, using either a histogram or a density plot indicates some significant outliers. Furthermore, summary statistics of the data indicate

Re: [R] Using text and variable in ggtitle (ggplot2)

Not sure whether I understand your question fully but I guess paste() is your friend: ggtitle( paste( RR(overall) =, RR, N =, N, alpha =, alpha1 ) ) On Friday 19 July 2013 17:17:24 Manisha Brahma chary wrote: Hello, I am using ggplot2 to plot a graph and I want to give a title to the plot

Re: [R] Adding List Elements To A Data Frame

Folks: I think it worth noting that the solutions provided by Brian and David, which look exactly the same when print()ed, are entirely different beasts. Brian's gives a column of strings; David;s gives a column of lists (a list of lists). str() will provide details. Both solutions are correct

Re: [R] S4 method signature - integer matrix

On Jul 19, 2013, at 9:54 AM, Simon Zehnder wrote: Dear R-Users and R-Devels, I am programming a package with S4 classes and I search for a solution of the following problem: If you want an S4 method to await an integer argument you set the signature like this setMethod(myfunction,

Re: [R] Identify Leverage Points

see the hatvalues function in the car package. also, I highly recommend john's CAR book. there's a new edition that came out a year or so ago. On Fri, Jul 19, 2013 at 6:14 PM, Noah Silverman noahsilver...@ucla.eduwrote: Hello, I'm working on some fairly standard regression models (linear,

[R] [R-pkgs] WriteXLS Version 3.0.0 Released

Hi all, Version 3.0.0 of the WriteXLS package has been released to CRAN. Source tarballs are being mirrored and binaries for Windows and OSX should appear in due course. Main CRAN URL: http://cran.r-project.org/web/packages/WriteXLS/index.html WriterXLS is a cross-platform Perl based R

[R] how to calculate the average values of each row in a matrix

Hello, I have a matrix (class matrix) composed of GridCell (row and column). The matrix value is the beta diversity index value between two grids. Now I would like to get the average value of each GridCell. Please kindly advise how to make the calculation. Thank you. Elaine The matrix looks

Re: [R] how to calculate the average values of each row in a matrix

On Jul 19, 2013, at 20:19, Elaine Kuo elaine.kuo...@gmail.com wrote: Hello, I have a matrix (class matrix) composed of GridCell (row and column). The matrix value is the beta diversity index value between two grids. Now I would like to get the average value of each GridCell. Please

[R] Different x-axis scales using c() in latticeExtra

Hi, I would like to combine multiple xyplots into a single, multipanel display. Using R 3.0.1 in Ubuntu, I have used c() from latticeExtra to combine three plots, but the x-axis for two plots are on a log scale and the other is on a normal scale. I also have included equispace.log=FALSE to

[R] Adding across columns ignoring NA

I am having difficulty finding a solution to devising an R code to do the following: I have 5 numerical variables and I would like to create a new variable that is the sum of those 5 variables. However, there are many NA values throughout these 5 variables and everytime I run the following code

Re: [R] Adding across columns ignoring NA

On 20-07-2013, at 06:37, Jin Choi oohps...@gmail.com wrote: I am having difficulty finding a solution to devising an R code to do the following: I have 5 numerical variables and I would like to create a new variable that is the sum of those 5 variables. However, there are many NA values