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Hi everyone, I want to use the Fisher r-to-z transformation as part of a hypothesis test of r. I can't find an R function that can do that. Am I missing it? -Tim -- Tim Wilson | Visit Sibley...

On Tue, Aug 20, 2002 at 10:10:13AM -0500, Erin Hodgess wrote: > > However, I would like to have a "Help" page for it. > How do I go about doing that please? Check the R manuals at CRAN and look...

On Thu, Aug 15, 2002 at 02:55:36PM -1000, Pierre Kleiber wrote: > Strange that you only get two groups. Note that col2 is > pasted to col1. Here's what I get: Thanks Pierre! It works now. I must have...

Hi everyone, Here's a question about extracting data from a dataframe: Let's say I've got a dataframe with two vectors, TEST and GENDER. GENDER contains a 1 for males and 2 for females. I want to separate...

Hi everyone, I've got a dataframe with columns of different types. A certain number of columns in the dataframe hold the results of a series of Likert-type items. I've got a function that will print a simple...

On Thu, Aug 15, 2002 at 02:30:08PM -1000, Pierre Kleiber wrote: > > split(d$splitcol,paste(d$col1,d$col2)) > > will give you vectors as elements of a list based on possible > combinations of col1 and col2. Is that...

On Sun, Aug 04, 2002 at 09:52:34AM +1200, Sam McClatchie wrote: > * Installing *source* package 'sgeostat' ... > ** libs > g77 -fPIC -O3 -fomit-frame-pointer -pipe -mcpu=pentiumpro -march=i586 > -fno-fast-math -fno-strength-reduce -c inplg.f -o inplg...

Hi everyone, I'm having trouble figuring out how to split a dataframe more than once. Let's say I have a dataframe d with a certain column called splitcol composed of four possible ordinal values. The same dataframe has...

Hi everyone, I've got a problem with an analysis of variance where it appears that my independent variable is being treated as an integer when it should be nominal. The data are being loaded from an SPSS file and...

Hi everyone, I've got a dataframe called 'faculty'. I want to do a weighted mean on the column called 'Q8' weighted by the contents of column 'CETP'. In addition, I need to operate on the result of splitting 'faculty...

Hi everyone, I've downloaded the lmtest package, but I'm having trouble building it. Here's the output: copland:/home/wilson/tmp# R CMD INSTALL -l /usr/lib/R/library lmtest_0.9-0.tar.gz * Installing *source* package...

Hello everyone, Thanks to all who offered suggestions after my initial query to the list. I've been busy trying to absorb the docs as fast as possible, but this little thing has me stumped for the moment. I'm...

Hi everyone, Here's how I solved a problem for my stats class. I'm pretty sure I understand what's going on, but I wonder if there's a more direct way to solve it. Problem summary: A recent...

Hi everyone, I'm taking a course in statistics as part of my doctoral program in education at the U. of Minnesota, USA. I found R via Rpy, a python module that makes it possible to use R from python...

Hi everyone, I wonder if there's a patient soul out there who has a minute to look at the following. I've got a set of summary statistics I need to perform many times. Naturally, I've looked at...