search for: vestein

Displaying 8 results from an estimated 8 matches for "vestein".

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2001 Sep 03
1
R-1.3.0-1.3.1.diff does not patch correctly
Subj. says it. The patch contains several lines complaining about "No newline". After removing these the patch was applicable. -- Dipl.-Math. Wilhelm Bernhard Kloke Institut fuer Arbeitsphysiologie an der Universitaet Dortmund Ardeystrasse 67, D-44139 Dortmund, Tel. 0231-1084-257 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read
2007 Oct 31
3
Find A, given B where B=A'A
Given a matrix B, where B=A'A, how can I find A? In other words, if I have a matrix B which I know is another matrix A times its transpose, can I find matrix A? Thanks, Mike
2001 Aug 09
1
converting a BMDP 8V mixed model to R / nlme
[Sorry, In case this is repeating a message already sent to the list]. I am trying to move a project to R (base or nlme), for which I have a partial solution in BMDP 8V. Here is the 8V control language: /input title='Augenbewegungen'. variables=4. file='latm.dat'. format='11x,f7.0,f7.0,f12.4,f10.0'. /variables names= llat,rlat,vg,diff. /design
2001 Aug 09
0
converting BMDP 8V mixed model treatment to R ?
I am trying to translate a given BMDP 8V problem treatment to something approximately equivalent in nlme package (or base R, if sufficient). (Of course, it is not my goal to end there. I want to get access to the advanced flexibility of a more modern treatment.) Here is the problem statement in BMDP control language: /input title='Augenbewegungen'. variables=4.
2002 Jul 15
0
unhappy with aov performance
As the subject says, I am unhappy with R's aov performance. I have a data set containing 25000 cases. This causes thrashing even with very moderate formulae, because the model matrix has quite a lot of lines. The study has 9x3x2x2x2 (or so) design factors. Is there a recommended method for pre-condensing the data before inputting them into aov in R? I want to be able to preserve the person
2001 May 09
0
help.start() fails (PR#935)
On my system help.start() failed with "could not write .R/doc/html/packages.html" or equivalent. This due to /usr/local/lib/R/doc/html/packages-head.html having protection -r--r--r--. After inserting 'chmod u+w ${PKGLIST}' after 'cp ${R_HOME}/doc/html/packages-head.html ${PKGLIST}'in /usr/local/lib/R/bin/help.links, it works. --please do not edit the information
2001 May 09
0
help.start() failed (PR#936)
On my system help.start() failed with "could not write .R/doc/html/packages.html " or equivalent. This due to /usr/local/lib/R/doc/html/packages-head.html having protection -r--r--r--. After inserting 'chmod u+w ${PKGLIST}' after 'cp ${R_HOME}/doc/html/packages-head.html ${PKGLIST}'in /usr/local/lib/R/bin/help.links, it works. BTW. bug.report() fails with "mailx:
2002 Jan 21
2
a Bootstrap understanding problem
I tried to reproduce a result from a former colleague which he got with S-plus bootstrap method. I don't have S-plus at hand. In R, there are 2 packages related to bootstrap method, bootstrap and boot. The former has a function called 'bootstrap' but this does not seem to conform either to the function used in S-plus nor to that described in MASS, 3d ed., p.144. The latter seems to be