search for: betebenner

Displaying 7 results from an estimated 7 matches for "betebenner".

2004 Dec 05
2
String manipulation---mixed case
...d then to paste the pieces back together. Moreover, given the elegance and power of R, I'll bet this can be coded very tersely. Before I embarked on trying to code this, I thought I would tap the R braintrust to see if this has already been done. Any help greatly appreciated, Damian Damian Betebenner Educational Research, Measurement & Evaluation Lynch School of Education Boston College Chestnut Hill, MA 02467 (617) 552 4491
2004 Dec 02
16
How about a mascot for R?
...think that associating a "friendly face" with R would be a good thing for R (one letter names can be quite intimidating). I apologize if this is addressed in the FAQ. I searched the FAQ as well as the mailing list archives and checked ?mascot but to no avail. ;-) Damian Damian Betebenner Educational Research, Measurement & Evaluation Lynch School of Education Boston College Chestnut Hill, MA 02467 (617) 552 4491
2004 Dec 11
2
Paths for Shell Scripts called from R
...the the shell script before using the SYSTEM command to call latexall. for f in /home/directory/subdirectory/tables/*.tex Does anyone have an idea of how I can pass the appropriate path to my shell script from within R? I hope this makes sense. Any help greatly appreciated. Damian Damian Betebenner Educational Research, Measurement & Evaluation Lynch School of Education Boston College Chestnut Hill, MA 02467 (617) 552 4491
2006 Sep 25
1
Rows of a data frame to matrix
useRs, I have a data frame where four of the columns of the data frame represent the values of a two-by-two matrix. I'd like to, row-by-row, go through the data frame and use the four columns, in matrix form, to perform calculations necessary to create new values for variables in the data frame. My first idea was to use apply: apply(as.array(data.frame[,1:4]), 1, matrix, nrow=2) Though
2011 Feb 17
2
Dependency on R-Forge Package
In building a package, is it possible to make the package depend upon another package that is only available on R-Forge (not CRAN). For example, by doing something in the DESCRIPTION file I'd like to add a dependency to my package such that when the user install my package it will automatically install this other package from R-forge as well. Any help greatly appreciated. Damian
2004 Sep 12
1
Discrepency between R and MlwiN
...hat MlwiN perfectly fits lines to each of the two data points supplied for each student and R does not. The two program yield the same results when the covariate grade is treated as a fixed effect. Also, I used REML on both R and MlwiN. Anyone have any idea how to explain this descrpency? Damian Betebenner Boston College Chestnut Hill, MA 02467
2005 Mar 04
2
how to draw graphs within clickable hyperlink
Hi all I want to draw a graph containing points and edges. Package graphics could do this. However I want to make each those points and edges clickable with a hyperlink on them. Anybody know how to do this? Thanks very much.