Re: [R] xyplot and lwd

2013-09-04 Thread Daniel Hornung
> On Wed, Sep 4, 2013 at 1:45 PM, Daniel Hornung wrote: > > Hello, > > > > can it be that xyplot does not support the lwd argument? > > > > At least here, the following still shows thin lines, as opposed to the > > regular > > plot command: > > > > xyplot(Sepal.Length ~ Sepal.Width, data = iris

Re: [R] Permuting friendship nominations in a social network

2013-09-04 Thread Jeff Newmiller
It might be, but with appropriate indexes a SQL engine (via sqldf or RODBC for example) might be able to do it that way anyway. --- Jeff NewmillerThe . . Go Live... DCN:Basics

Re: [R] Question about R2 in pls package

2013-09-04 Thread David Winsemius
On Sep 4, 2013, at 10:39 PM, Euna Jeong wrote: Hi, I have questions about R2 used in pls (or multivariate analysis). Is R2 same with the square of the PCC (Pearson Correlation Coefficient)? I found the following description from wiki (Coefficient of determination)

[R] Poly Correlations

2013-09-04 Thread Michael Hacker
Dear Colleagues, I'm working on a Delphi study comparing perceptions of high school technology teachers and university engineering educators about the importance of concepts about engineering for HS students to learn as part of their fundamental education. I'm actually doing this as part of my

[R] New Version of R 3.0.1 problems with installing Rcmdr

2013-09-04 Thread alanidris
I have been using R version 2.15.1 happly along side R Commander. I then tried to go through a fresh install using the latest version of R, R 3.0.1. The trouble started when I wanted to install Rcmdr, I kept getting an error message about previous installs of R Commander. I went through and deinsta

[R] Question about R2 in pls package

2013-09-04 Thread Euna Jeong
Hi, I have questions about R2 used in pls (or multivariate analysis). Is R2 same with the square of the PCC (Pearson Correlation Coefficient)? I found the following description from wiki (Coefficient of determination) Similarly, in linear least squares regression with a

Re: [R] Read a Google Spreadsheet?

2013-09-04 Thread Joshua Wiley
Hi Spencer, It really is not very hard, and I have never had issue with it: http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html Just download the x86 and x64 versions for your OS and install. Worst case, you need to add the directory to the PATH variable in Windo

[R] optim evils

2013-09-04 Thread Prof J C Nash (U30A)
Sometimes one has to really read the manual carefully. "If non-trivial bounds are supplied, this method will be selected, with a warning." (re L-BFGS-B) Several of us have noted problems occasionally with this code. You might want to look at the box constrained codes offered in optimx pa

Re: [R] Read a Google Spreadsheet?

2013-09-04 Thread Spencer Graves
On 9/4/2013 6:09 PM, Ista Zahn wrote: Hi Spencer, Why don't you want to install 64bit Java? That may be a reasonable approach. I may have Java confused with something else, but I remember hearing that it was difficult or unwise to try to install both 32- and 64-bit versions of

Re: [R] Read a Google Spreadsheet?

2013-09-04 Thread Ista Zahn
Hi Spencer, Why don't you want to install 64bit Java? On Wed, Sep 4, 2013 at 6:12 PM, Spencer Graves wrote: > Hello, All: > > > What do you recommend for reading a Google Spreadsheet into R? I didn't find > anything useful using library(sos); findFn('google spreadsheet'). > > > I can solve the p

Re: [R] Histogram

2013-09-04 Thread philippe massicotte
Thank you everyone for your help. > Date: Wed, 4 Sep 2013 20:00:02 -0400 > From: murdoch.dun...@gmail.com > To: dcarl...@tamu.edu > CC: pmassico...@hotmail.com; ruipbarra...@sapo.pt; r-help@r-project.org > Subject: Re: [R] Histogram > > On 13-09-04 4:44 PM, David Carlson wrote:> Good question. I

Re: [R] Console Output Formatting

2013-09-04 Thread Duncan Murdoch
On 13-09-04 5:56 PM, Noah Silverman wrote: Hi, Working with R, I often want to copy and paste some values somewhere else. (Its not worth saving a CSV file for a dozen or so entries.) Or, I may want to copy all the names of an object into some code. Besides the other suggestions, the data e

Re: [R] Histogram

2013-09-04 Thread Duncan Murdoch
On 13-09-04 4:44 PM, David Carlson wrote:> Good question. It turns out that the manual page does not tell > the whole story. Do you really think the manual page would be improved if it went into as much detail as you give below? It does say clearly that breaks is a "suggestion only". I don't

Re: [R] Random products of rows in a matrix

2013-09-04 Thread arun
Hi Edouard, In terms of speed, your new solution may not be that much different from the old one: #large matrix M<- 10 N<- 1e3 set.seed(249) A<- matrix(sample(1:10,1e5*4,replace=TRUE),1e5,4) B<- matrix(NA,ncol=ncol(A),nrow=0) system.time({ set.seed(54) for (i in 1 : N) B <- rbind(B, apply(

Re: [R] Linear Regression line equation

2013-09-04 Thread Sarah Goslee
summary(lm(Canopy_Height~Ground_Elevation, data=young400_1)) #use data= instead of attach! Or even mylm <- lm(Canopy_Height~Ground_Elevation, data=young400_1) mylm summary(mylm) coefficients(mylm) Most intro to R guides cover the basics of modeling; you might benefit from reading one of them. S

[R] Attribute Length Error when Trying plm Regression

2013-09-04 Thread lross8
Hello, I am trying to run a fixed effects panel regression on data containing 5 columns and 1,494 rows. I read the data in as follows: >drugsXX<-read.csv(file="C:\\Folder\\vX.X\\Drugs\\drugsXX_panel.csv", head=TRUE, sep=",") Verified it read in correctly and had a good data.frame: >dim(drugsXX

Re: [R] Histogram

2013-09-04 Thread philippe massicotte
Thank you everyone. Try executing this: replicate(100, length(hist(rnorm(100), nclass = 10)$counts)) I'm still not sure why the number of bins (classes) is not consistent. Thank in advance. > Date: Wed, 4 Sep 2013 20:27:36 +0100 > From: ruipbarra...@sapo.pt > To: pmassico...@hotmail.com > CC: r-h

Re: [R] for loop of a geometric sequence

2013-09-04 Thread MacQueen, Don
So look at the examples found in ?Control and give it a try. -- Don MacQueen Lawrence Livermore National Laboratory 7000 East Ave., L-627 Livermore, CA 94550 925-423-1062 On 8/30/13 9:57 AM, "BJN1417" wrote: >so I have to create a for loop of the geometric sequence >h(x,n)=1+x+x^2+x^3^4

Re: [R] Histogram

2013-09-04 Thread David Carlson
Good question. It turns out that the manual page does not tell the whole story. Looking at the source code for hist.default, the function starts with the number of breaks suggested by nclass.Sturges(), but then this number (or any other number of breaks that you specify) is passed to pretty() along

[R] Console Output Formatting

2013-09-04 Thread Noah Silverman
Hi, Working with R, I often want to copy and paste some values somewhere else. (Its not worth saving a CSV file for a dozen or so entries.) Or, I may want to copy all the names of an object into some code. R, rather nicely, wraps output with an index number on the left side. For example: [1

Re: [R] xyplot and lwd

2013-09-04 Thread Bert Gunter
You should get no lines at all, as you have not specified that lines be drawn. Use the "type" argument to do so. xyplot(rnorm(5) ~1:5,pch=4) ## points only xyplot(rnorm(5) ~1:5,pch=4,type="b",lwd=4) ## points with thick lines read ?panel.xyplot carefully (the default panel function for xyplot) f

Re: [R] Console Output Formatting

2013-09-04 Thread arun
Hi, You could use ?cat() For ex: vec1<-1:100 cat(vec1) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 8

[R] xyplot and lwd

2013-09-04 Thread Daniel Hornung
Hello, can it be that xyplot does not support the lwd argument? At least here, the following still shows thin lines, as opposed to the regular plot command: xyplot(Sepal.Length ~ Sepal.Width, data = iris, pch=4, lwd=4) Cheers, Daniel -- Max-Planck-Institute for Dynamics and Self-Organization

Re: [R] Console Output Formatting

2013-09-04 Thread Neal Fultz
> print(1:100) [1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 > 16 17 18 19 20 21 22 23 24 25 26 [27] 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 [53] 53 54 55 56 57 58 59 60 61 62 63 64 65 66

[R] Read a Google Spreadsheet?

2013-09-04 Thread Spencer Graves
Hello, All: What do you recommend for reading a Google Spreadsheet into R? I didn't find anything useful using library(sos); findFn('google spreadsheet'). I can solve the problem by downloading the file either as *.ods or *.xlsx format, then opening it and saving it as *.xls, then using re

Re: [R] Console Output Formatting

2013-09-04 Thread Prof Brian Ripley
On 04/09/2013 22:56, Noah Silverman wrote: Hi, Working with R, I often want to copy and paste some values somewhere else. (Its not worth saving a CSV file for a dozen or so entries.) Or, I may want to copy all the names of an object into some code. R, rather nicely, wraps output with an ind

Re: [R] Console Output Formatting

2013-09-04 Thread Steve Friedman
Depending on the OS you are working with awk or gawk are great utilities for stripping columns from files. Also if you use a spreadsheet it is quite easy to drop a column. On Sep 4, 2013 5:59 PM, "Noah Silverman" wrote: > Hi, > > Working with R, I often want to copy and paste some values somewhe

Re: [R] Attribute Length Error when Trying plm Regression

2013-09-04 Thread arun
HI, It is better to provide a reproducible example using ?dput(). you can also check in this link. http://r.789695.n4.nabble.com/names-attribute-must-be-the-same-length-as-the-vector-td4503946.html library(plm) #Using the example from ?plm()  data("Produc", package = "plm")  zz <- plm(log(gsp) ~

Re: [R] Histogram

2013-09-04 Thread arun
Hi, replicate(100,length(hist(10,0:10)$counts)) #  [1] 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  #[26] 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  #[51] 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  #

Re: [R] Histogram

2013-09-04 Thread Ista Zahn
On Wed, Sep 4, 2013 at 4:02 PM, philippe massicotte wrote: > Thank you everyone. > Try executing this: > replicate(100, length(hist(rnorm(100), nclass = 10)$counts)) > I'm still not sure why the number of bins (classes) is not consistent. It depends on the range of x. If you look at the definitio

Re: [R] Histogram

2013-09-04 Thread Duncan Murdoch
On 04/09/2013 4:02 PM, philippe massicotte wrote: Thank you everyone. Try executing this: replicate(100, length(hist(rnorm(100), nclass = 10)$counts)) I'm still not sure why the number of bins (classes) is not consistent. R is behaving as documented. You suggested 10 bins, but it finds for so

[R] Linear Regression line equation

2013-09-04 Thread jfrei006
First of I am new to using R. I have a dataset that I plotted using R, I created a scatter plot and used abline to create the line, what I need is to find the equation of the line. Below is the script I have used up until this point. >young400_1<-read.csv("Z:\\SOFTEL\\North Key Largo project\\Can

Re: [R] Histogram

2013-09-04 Thread Rui Barradas
Hello, See the arguments 'right' and 'include.lowest' of ?hist. To give what you want, try instead h1 <- hist(1:10, 10) # counts are 2, 1, 1, ... h2 <- hist(1:10, breaks = 0:10) # all counts are 1 and see the difference between h1 and h2, components 'breaks' and 'counts'. Hope this helps,

Re: [R] Histogram

2013-09-04 Thread David Carlson
We can just ask hist(): ? hist . . . breaks one of: a vector giving the breakpoints between histogram cells, a function to compute the vector of breakpoints, a single number giving the number of cells for the histogram, =

[R] Histogram

2013-09-04 Thread philippe massicotte
Hi everyone. I'm currently translating some Matlab code into R. However, I realized that the hsit function produce different results in both languages. in Matlab, hist(1:10, 10) will produce 10 bins with a count of 1 in each, but in R it will produce 9 classes with count of 2,1,1,1,1,1,1,1,1. I'm

Re: [R] 'snow' package -- parallel process

2013-09-04 Thread Prof Brian Ripley
On 04/09/2013 18:57, Hui Du wrote: Hi R-community: I heard 'snow' package is a good tool to parallelize processes and speed them up. I tried to use it but was not successful. Could someboy point where I was wrong? Thanks. I want to read a HUGE file to R and hope 'snow' helps me to speed it up

Re: [R] Permuting friendship nominations in a social network

2013-09-04 Thread hollymaya
Jean, Thank you for the suggestion. Actually the dataset is quite large so that method might be unmanageable. Holly hollym...@gmail.com On Sep 4, 2013, at 10:14 AM, "Adams, Jean" wrote: > Holly, > > I don't know of a clever way to do this, but I can think of a brute force > way, which m

[R] 'snow' package -- parallel process

2013-09-04 Thread Hui Du
Hi R-community: I heard 'snow' package is a good tool to parallelize processes and speed them up. I tried to use it but was not successful. Could someboy point where I was wrong? Thanks. I want to read a HUGE file to R and hope 'snow' helps me to speed it up. Here are codes: library(snow) iFi

Re: [R] Placeholders for String Operations

2013-09-04 Thread Sarah Goslee
Hi Simon, What you need are regular expressions. The help for gsub says this, but in such a way that if you didn't know that's what you were looking for, you wouldn't learn it there: See the help pages on regular expression for details of the different types of regular expressions. Th

Re: [R] outliers for Likert scale data

2013-09-04 Thread Helios de Rosario
>>> El día 01/09/2013 a las 15:13, Helen Sawaya escribió: > Dear R experts, > I have data from a questionnaire that I would like to factor analyse. It is > in a likert scale form (0-3). I would like to check first for univariate and > multivariate outliers but the most common ways of doing so as

Re: [R] Memory usage bar plot

2013-09-04 Thread arun
HI, May be this helps. input<- readLines(textConnection(" Private  +  Shared  =  RAM used  Program 84.0 KiB +  14.5 KiB =  98.5 KiB  sleep 108.0 KiB +  11.5 KiB = 119.5 KiB  klogd 124.0 KiB +  15.0 KiB = 139.0 KiB  hidd 128.0 KiB +  12.5 KiB = 140.5 KiB  gpm 116.0 KiB +  28.5

Re: [R] remove rows with infinite/nan values from a zoo dataset

2013-09-04 Thread arun
Hi, This is confusing because the error message suggests that you were not able to read the csv file.  Then how did you removed the Inf values?.  I guess this should be a different dataset. >From your previous email: " prices=read.zoo("C:\\Users\\Desktopawc_au.csv",header=TRUE,sep=",",f

Re: [R] would you give me hints in r?

2013-09-04 Thread Sarah Goslee
Rui's suggestion and your reproducible example work for me. Can you give us more information about what you did, including the output of sessionInfo() ? library(dismo) ex<-structure(list(env1 = c(182, 163.33, 443.02, 1240.16), env2 = c(1134, 550, 2111, 2523), env3 = c(24.53, 24.93, 24.71, 21.05),

Re: [R] Random products of rows in a matrix

2013-09-04 Thread David Carlson
Actually you have two loops, the for() loop you created and the loop that is hidden inside apply(). You can hide the first loop with lapply() or sapply(): B <- do.call(rbind, lapply(1:N, function(x) colSums(A[sample.int(nrow(A), M, replace=TRUE),]))) Or B <- t(sapply(1:N, function(x) colSums(A[s

Re: [R] would you give me hints in r?

2013-09-04 Thread Rui Barradas
Hello, Where does the function bioclim come from? What package? If it's from package dismo, then you should try predict() with the arguments reversed: pred <- predict(mod, ex) Hope this helps, Rui Barradas Em 04-09-2013 13:48, Kristi Glover escreveu: Dear R User, Would you give me some hi

Re: [R] would you give me hints in r?

2013-09-04 Thread Kristi Glover
Hi Rui, Thanks for the message. i used dismo package. I changed the argument as you suggested, still did not work. Error in UseMethod("predict") : no applicable method for 'predict' applied to an object of class "data.frame" Thanks KG > Date: Wed, 4 Sep 2013 14:57:45 +0100 > From: ruipbarra.

Re: [R] would you give me hints in r?

2013-09-04 Thread Kristi Glover
Thanks Sarah and Rui, It worked now. I don't know why it was not working before. I again restarted R and then it worked. I really appreciated your help. Cheers, KG > Date: Wed, 4 Sep 2013 10:20:39 -0400 > Subject: Re: [R] would you give me hints in r? > From: sarah.gos...@gmail.com > To: kristi

Re: [R] mean

2013-09-04 Thread S Ellison
> -Original Message- > When I try to apply mean to a list, I get the answer : > > argument is not numeric or logical: returning NA > Example: l4 <- list(1:4) class(l4) #not numeric or logical ... mean(l4) #same error #a list is not a number, a logical (TRUE/FALSE) or a vector or arra

Re: [R] Permuting friendship nominations in a social network

2013-09-04 Thread Adams, Jean
Holly, I don't know of a clever way to do this, but I can think of a brute force way, which might only be feasible if you have a small data set (as in your example). You could permute every possible set of connections, then choose from that collection only the ones that meet your criteria. Using

Re: [R] Placeholders for String Operations

2013-09-04 Thread Rui Barradas
Hello, I'm not sure I understand, but if you want a ?regexp to only match numbers before a %, try the following. gsub("[0-9]+%", "[percentagevalue]", text1) gsub("[0-9]+%", "[percentagevalue]", text2) [0-9] matches any character in the range from 0 to 9, and the + means to repeat that char

Re: [R] optim evils

2013-09-04 Thread William Dunlap
> This is not efficient. For whom? > (a) L-BFGS-B does not identify itself even though it was called overriding > the method > parameter in optim. Would you prefer that the warning > o <- optim(par=c(1,2), fn=function(x)-sum(abs(sin(x))), method="CG", lower=c(-1,-1), upper= c(2,3)) Warnin

Re: [R] Placeholders for String Operations

2013-09-04 Thread arun
Hi,  gsub("#%", "[percentagevalue]", text1) #[1] "this is a number 23%"  gsub("\\d+%$", "[percentagevalue]", text1) #[1] "this is a number [percentagevalue]"  gsub("bla", "23", text2) #[1] "this is not a number 23%" A.K. - Original Message - From: Simon Pickert To: r-help@r-proje

[R] Problem with installing the TRR package

2013-09-04 Thread BLANDENIER Lucien
Dear all, I met some problems trying to install the TRR package. I runed the command : install.packages("TRR") I've received the following message : In getDependencies(pkgs, dependencies, available, lib) : package ‘TRR’ is not available (for R version 2.14.1) I'm in Linux Mint and it seems

[R] glmnet lambda and number of variables

2013-09-04 Thread Charles Determan Jr
Greetings, I have recently been exploring the 'glmnet' package and subsequently cv.glmnet. The basic code as follows: model <- cv.glmnet(variables, group, family="multinomial", alpha=.5, standardize=F) I understand that cv.glmnet does k-fold cross-validation to return a value of lambda. Howeve

Re: [R] Problem with installing the TRR package

2013-09-04 Thread John Kane
The latest release (2013-05-16, Good Sport) R-3.0.1 so perhaps you need to upgrade to 3.0.1? John Kane Kingston ON Canada > -Original Message- > From: lucien.blanden...@unine.ch > Sent: Wed, 4 Sep 2013 15:05:03 + > To: r-help@r-project.org > Subject: [R] Problem with installing the

Re: [R] Problem with installing the TRR package

2013-09-04 Thread BLANDENIER Lucien
Dear all, I met some problems trying to install the TRR package. I runed the command : install.packages("TRR") I've received the following message : In getDependencies(pkgs, dependencies, available, lib) : package ‘TRR’ is not available (for R version 2.14.1) I'm in Linux Mint and it seems

[R] Placeholders for String Operations

2013-09-04 Thread Simon Pickert
Hi all, what are the placeholders for string operations/modifications? Is there a placeholder for numbers, which would allow me to easily replace all numbers in a string? Something like text1 <- c("this is a number 23%") text2 <- c("this is not a number bla%") newtext1 <- gsub(#%, [percentagev

[R] panel multinomial logit

2013-09-04 Thread Rose
Hi there, I am trying to apply multinomial Logit for a panel data set. I have 5016 observations for 22 countries (id). Each country has 228 observations over time domain. Following table shows the part of my dataset including 10 variables. id t X1X2X3X4X5 X6

[R] Random products of rows in a matrix

2013-09-04 Thread Edouard Hardy
Hello everybody, Without any loop and any package, I would like to return N products of M rows in a matrix A : Today, I managed to do it with a loop : B <- matrix(NA, ncol = ncol(A), nrow = 0) for (i in 1 : N) B <- rbind(B, apply(A[sample(1 : nrow(A), M, replace = T), ], 2, prod)) Do you have

Re: [R] tm::stemDocument function not work

2013-09-04 Thread Ricardo Pietrobon
thanks Pascal. actually, right after I sent the post I realized that I didn't send my sessionInfo (at the bottom of this message now). Just to make sure, everything in my script works except for the line with stemDocument, which was commented in my gist. Below is the specific warning I am getting:

Re: [R] tm::stemDocument function not work

2013-09-04 Thread Pascal Oettli
Hello, I noticed the commented line and I get no error when I run this specific line. Regards, Pascal 2013/9/4 Ricardo Pietrobon > thanks Pascal. actually, right after I sent the post I realized that I > didn't send my sessionInfo (at the bottom of this message now). Just > to make sure, eve

Re: [R] Should I wrap more package examples in \dontrun{} ?

2013-09-04 Thread Terry Therneau
To give a specific example, the simple code for my test suite is given at the bottom of this message. A simpler (simple-minded maybe) approach than creating a new packge for testing. I now run this on the survival package every time that I submit a new version to CRAN. It takes a while, since

[R] would you give me hints in r?

2013-09-04 Thread Kristi Glover
Dear R User, Would you give me some hints on why I could not predict using data. format' data. Here is the example: ex<-structure(list(env1 = c(182, 163.33, 443.02, 1240.16), env2 = c(1134, 550, 2111, 2523), env3 = c(24.53, 24.93, 24.71, 21.05), env4 = c(0.05, 0, 0, 0)), .Names = c("env1", "en

Re: [R] Multiple regression (with interactions) by hand

2013-09-04 Thread Berend Hasselman
On Tue, Sep 3, 2013 at 2:51 AM, Christoph Scherber wrote: > Dear all, > > I´ve played around with the "airquality" dataset, trying to solve the matrix > equations of a simple > multiple regression by hand; however, my matrix multiplications don´t lead to > the estimates returned > by coef().

Re: [R] XLSX package + Excel creation question

2013-09-04 Thread Zsurzsa Laszlo
Thank you for the reply, I wount post any other link anymore. I did not know it's not allowed. - - László-András Zsurzsa,- - Msc. Infromatics, Technical University Mu

Re: [R] XLSX package + Excel creation question

2013-09-04 Thread Keith Jewell
I'll skip over the courtesy implications of double posting/pointing to stackoverflow. The stackoverflow thread makes it look as if you need to learn more Excel. Do you really not know what an Excel template is? It sounds as if you want what Excel calls "conditional formatting" which you can

Re: [R] ESEM in R

2013-09-04 Thread Jose Iparraguirre
Hi Krzysztof, Have a look at the packages sem, lavaan and psych. Regards, José Prof. José Iparraguirre Chief Economist Age UK -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of fronc...@vizja.pl Sent: 03 September 2013 13:33 To: r-h

Re: [R] Memory usage bar plot

2013-09-04 Thread mohan . radhakrishnan
Hi, I have tried the ideas with an actual data set but couldn't pass the parsing phase. The name of the 'Program' varies. MiB and KiB are both included. I should have shown the real-time data set. Private + Shared = RAM used Program 84.0 KiB + 14.5 KiB = 98.5 Ki

Re: [R] Multiple regression (with interactions) by hand

2013-09-04 Thread Joshua Wiley
Hi Christoph, ginv() computes the Moore-Penrose generalized inverse by way of a singular value decomposition. Part of the calculation involves taking the reciprocal of the non zero values. In practice, non zero is really "within some precision tolerance of zero". Numerical precision can bite yo

Re: [R] Stepwise selection with qAIC and qBIC

2013-09-04 Thread Xochitl CORMON
Here is a solution I applied using qAIC and package bbmle so I share it for next ones. It is not really automatized as I need to read every results of the drop() test an enter manually the less significant variable but I guess a function can be created in this goal. nullQ <- update (null, fami

Re: [R] XLSX package + Excel creation question

2013-09-04 Thread Zsurzsa Laszlo
http://stackoverflow.com/questions/18511249/excel-cell-coloring-using-xlsx This is the initial post on stackoverflow. Please look at this maybe I'm clearer here. Thank you in advance, - - László-András Zsurzsa,

Re: [R] optim evils

2013-09-04 Thread Joshua Wiley
Hi Michael, You do not need to create a self-contained example from the mass of code where it is embedded, but given that optim() works in many cases, to file a bug report, you do need to give _an_ example where it is failing. Here is an example where it works great: > optim(1, fn = function(x)

[R] optim evils

2013-09-04 Thread Michael Meyer
It would take some effort to extract selfcontained code from the mass of code wherein this optimization is embedded. Moreover I would have to obtain permission from my employer to do so. This is not efficient. However some things are evident from the trace log which I have submitted: (a) L-BFGS-

Re: [R] Error in Parts of Speach Tagging using openNLP

2013-09-04 Thread Jeff Newmiller
Well, abusing the system does not appear to be working, does it? The correct approach is to be more targeted in your audience. Is your problem with Ubuntu? Perhaps you need to post in the r-sig-debian mailing list. Is your issue specifically with the openNLS package? Try a simplified parallel pr

Re: [R] summary(object) not showing all values of a factor

2013-09-04 Thread PIKAL Petr
Hi see ?contrasts ?model.matrix go through archives and through chapter 11.1.1 Contrasts from R-Intro document. Anyway, when you go through this chapter you will probably benefit from reading previous chapters too. Regards Petr > -Original Message- > From: r-help-boun...@r-projec

Re: [R] Error in Parts of Speach Tagging using openNLP

2013-09-04 Thread Siddharth Arun
I posted on both the forums because i needed urgent help on the issue. And I am still waiting for a relevant reply on how to solve the issue. If you have any suggestions please do share. On Wed, Sep 4, 2013 at 6:08 AM, David Winsemius wrote: > This was also posted on StackOverflow. Crossposting

Re: [R] reading files

2013-09-04 Thread anupam sinha
Dear Arun, Thanks a ton for your help. Regards, Anupam On Tue, Sep 3, 2013 at 7:12 PM, arun wrote: > > > HI, > > ?list.files() > list.files() #created 4 files in my working directory > #[1] "A_hubs.txt""A_nonhubs.txt" "B_hubs.txt""B_nonhubs.txt" > > #If you want to do wilcox.test in