Oliver,
I am attaching an HTML document in which I have plotted -2Log(x) vs. x. If you
examine the plot you will see that -2Log(x) can be negative. Since -2Log(x) is
part of AIC and BIC, AIC and BIC can be negative.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA
he centered regression is very, very small
# and would be zero save for the limits of computer mathematics.
summary(fitNormalReg)
summary(fitZeroInt)
summary(fitCentered)
# Plot the centered data and show that the line goes through zero.
plot(xCentered,yCentered)
abline(fitCentered)
title("Cente
. for the matrix
X=x1 x2 x3
x4 x5 x6
x7 x8 x9
I don't want the pair-wise correlations corr(x1,x2), corr(x1,x3), corr(x1,x4) .
. . etc., but rather
corr(x1,x2,x3,x4,x5,x6,x7,x8,x9).
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical C
Can someone direct me to an R function that properly computes standard errors
of data obtained from a complex survery design, i.e. perform alnalyses similiar
to those that can be performed with SUDAAN, particularly for a non-parametric
one-way ANOVA, e.g. signed rank test?
Thanks,
John
John
hanks
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524
(Phone) 410-605-7119
(Fax) 410-605-7913 (Please call phone number
cept) 113.47957 7.453921 65 15.224144 0.
jweek-1.71643 0.515361 65 -3.330535 0.0014
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimor
(version 2.5) running under Linux?
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524
(Phone) 410-605-7119
(Fax) 410
Can someone direct me to a package, or packages, that can perform data
augmentation to deal with missing data?
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene
nce category
and I get an estimate for ZZ. I would like ZZ to be the reference category and
obtain an estimate for ZT.
Thank,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Gre
ete<-matrix(nrow=31,ncol=2)
> delete[1:31,1]<-1:31
> delete[,2]<-sapply(delete[,2], pbinom,delete[,1],30,0)
Error in delete[, 2] <- sapply(delete[, 2], pbinom, delete[, 1], 30, 0) :
number of items to replace is not a multiple of replacement length
Thanks,
John
John Sor
. Does the
violation of proportionality preclude use of a Kaplan-Meier analysis? Is there
any other possible solution to lack of proportionality that I can try?
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of
sources.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University of Maryland Clinical Nutrition Research Unit, and
Baltimore VA Center Stroke of Excellence
University of
2] 14033 15141 14953 15473 10424 13445 14854 10481 14793 14744 14772
>
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University of Maryland Clinical Nutrition Research U
using
the HISTORY menu. Please take pity on my when you let me know that some
easy search or command could get me the information I needed. I have
looked, but clearly in the wrong places.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
Unive
been able to find instructions for using
the HISTORY menu. Please take pity on my when you let me know that some
easy search or command could get me the information I needed. I have
looked, but clearly in the wrong places.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimo
, but this is not the only measure of survival time. One
might argue that the clock should start at birth because the subject has
survived to birth to plus the time represented by the ususal follow-up clock.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical
lease.
Thanks,
John
R 2.1.1
windows XP
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University of Maryland Clinical Nutrition Research Unit, and
Baltimore VA Center Stroke of Excel
kind people mentioned above sent me examples.
Again, many thanks to one and all!
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University of Maryland Clinical Nutrition
(data[length(data[,"Meno"]=="PRE","Meno"]))
[1] 22
I would appreciate any help in modifying the data= parameter of the lm
so that I include only those subjects for which Meno=PRE.
R 2.3.1
Windows XP
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Infor
Ducan,
First, thank you for your reply.
As I previously noted in a reply to Peter Dalgaard, you, and he, are
correct. I missed something quite obvious. Sometimes it does not pay to
do statistics early in the morning! Again, many thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and
Indeed, you are correct! In never pays to do stats too early in the
morning!
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University of Maryland Clinical Nutrition Research
ean(rnorm(5,0,1))
[1] -0.0006160524
> mean(rnorm(50,0,1))
[1] -0.001254309
> mean(rnorm(500,0,1))
[1] 0.0004633778
> mean(rnorm(5000,0,1))
[1] -0.0001325764
I would appreciate any thoughts. Is the lack of precision due to
running on a 32-bit system?
Thanks,
John
John Sorkin
there any similar facility that can be
used to generate data for (1) a logistic regression and (2) a Cox
proportional hazards regression?
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine
x'y to the elements of the variance-covariance matrix, i.e. how
one gets the required values from the variance-covariance matrix.
Any help, or suggestions would be appreciated.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
Univers
R 2.2.0
windows XP
How can I perform a regression analyses using a vector of means, a
variance-covariance matrix? I looked at the help screen for lm and did
not see any option for using the afore mentioned structures as input to
lm.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and
how I can print the data associated with smi?
Thanks
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University of Maryland Clinical Nutrition Research Unit, and
Baltimore VA C
smoking, you may be lead to an incorrect inference about
the relation between coffee and mortality.
I hope this helps.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University
Spencer,
Would you add the reference to the WIKI? I think it would help round out this
thread.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University of Maryland Clinical
effect.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University of Maryland Clinical Nutrition Research Unit, and
Baltimore VA Center Stroke of Excellence
University of
about extreme values.
If you want more help, please describe the pattern of your residuals.
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryland School of Medicine Claude D. Pepper OAIC,
University of Maryland Clinical Nutrition
602 -0.0001368616 0.1630380
I would like to get the values of ORIGINAL and BIAS. I can get the
value of ORIGINAL:
> result2$t0
[1] 1.876602
But I can't find a way to get the values of BIAS or STD. ERROR. Can
someone suggest how I can obtain the values for these two statistics?
Thanks,
John
Rashmi,
I suggest you store the file as a comma separated file (.CSV). You can
import a .csv file using the read.csv function
data<-read.csv("d:\\myfile.csvl")
I suggest you look at the help file for read.csv, i.e.
help(read.csv)
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics an
someting akin to the macro facility in SAS. Is there a macro facility
that I can use with R? I have tried help.search("macro") and did not
have any success.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC,
University of Maryl
Kum-Hoe,
You need to used the summary function. I hope the example below will
help you get the coefficeints:
myfit<-lm(y1~x1)
coefficients(summary(myfit))
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School
.
I would also like to take this opportunity to thank you for your may
contributions to R and this list.
Thank you,
John Sorkin
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
Can someone tell me why apply (and apply) are faster in performing
repeated operations than a for (or do) loop? I am looking for a
technical explanation.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School
=c(1,4),ask=TRUE)
plot(p,varp)
plot(p,SEp)
plot(p,CVp)
plot(p,ppval)
title(paste("P and 95%CI for a sample size of",n,"subjects."))
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of
atistic(data, original, ...) : unused argument(s) ( ...)
I would appreciate any help that you might offer.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryla
Mark,
I am not user where you find your reading material, but if it is online,
perhaps you can copy and paste it into an R session.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
h.html
or
http://cran.r-project.org/search.htm
are more helpful.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Ba
Jon,
Thank you for the terse form of the URL. I hope the mailing list will
automatically include it in there Email messages.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
SEARCH. It might help if the CRAN web site contained a link titled
SEARCH R ARCHIVES.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicin
like to
get some sense of general practice.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA
ll note that the p values for the interaction and the main effect for
Bosqueiemprev are no longer the same.
Feliz ano nuevo!
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
;logtg" != NA & "ctime" != NA & !is.na("sexChar") &
!is.na("HAPI") & "logfirsttg" != NA & "BMI" != NA & !is.na(GC$
rs2304795), ]
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Balt
rvations.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical Center
10 North Greene
theory?
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC
Sara,
Could it be that you have to unzip the package? If you are using a PC you can
probably find a free (or trial version) of one of many versions of unzip (e.g.
WINZIP). If you are familiar with Unix, unzipping is similar to using TAR.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and
Can anyone suggest a good non-parametric test, and an R implementation of the
test, that allows for two or more factors? Wilcoxon signed rank allows for
only one.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of
If you can fix the problem, please let me know. I too have noticed the
same error. In the past the text did not spread to a fifth page.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper
oped
because it is computationally "simple". Fisher's exact test,
particularly with tables larger than 2 by 2 can be computationally
complex. The value of the Chi-square statistic becomes closer and closer
to Fisher's exact test as the expected cell counts become larger.
J
istributed and thus violates the
basic assumption of regression analyses. Does anyone have a suggestion
for a method (or a transformation) that will allow me predict calcium
from age and sex without violating the assumptions of the model?
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostat
ot;We Have Met The Enemy and He Is Us".
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical
ncy is the hobgoblin of a small mind, but consistency
can make things easier.
My question is not meant as a complaint. I very much admire the R
development team. I simply am curious.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University o
I have added on additional line to the code below, the line the
defines the matrix passed to AdjForBase2.
I am having difficulty setting up a boot strap.
My code is listed below. I am getting the following
error message:
Error in statistic(data, original, ...) : unused argument(s) ( ...)
I neither
0,2)
+ ydiff<-y2-y1
+ cory1y2miny1<-cor(y1,ydiff)
+
+ return(c(mean(x1),mean(x2),corx1x2minx1,
+ mean(y1),mean(y2),cory1y2miny1))
+ }
> boot(data=mommy,statistic=AdjForBase2,R=10)
Error in statistic(data, original, ...) : unused argument(s) ( ...)
John Sorkin M.D., Ph.D.
Chief,
contribute one outcome measure, others
multiple measures), etc.
Many thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
tes as dates and thus allow me to calculate follow-up
time.
Thanks
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontol
tes as dates and thus allow me to calculate follow-up
time.
Thanks
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontol
Is there an R package that can be used for CART analysis?
Thank you,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of
the package? Can I use RPM to intall
the package?
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore
next piece of
data
on the next line.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical Cen
ish this
task.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical Center
10 North
wanted to divide the vector into thirds
I would have cut-points of 3, and 6.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
groups) :
Invalid formula for groups
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical Center
10
uot;,length=10)
for (j in 1:10) {MeanNaCon[j]<-mean(NaCon[j,1:10])}
print(MeanNaCon)
#assign("MakeNaCon",MakeNaCon)
hist(MeanNaCon)
}
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepp
supporters of the R
project!
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical Center
10
and graphs.
Thanks,
John
R 2.1.1
windows 2k
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical
Could someone identify a function that I might use to perform a
components of variance analysis? In addition to the variance
attributable to each factor, I would also like to obtain the SE of the
variances.
Thank you,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA
Does anyone have, or know where I could find code to perform all-subsets
logistic or Poisson regression?
R 2.1.0
Win 2k
Thank you,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper
>From you message it is difficult to tell what you are looking for. If
you are looking for R, try
http://cran.r-project.org/.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper O
Is there any way to load a package using R code rather than the Load
Package command in the Package menu? I would like to load the boot
package.
R.2.1.0 Patched
Win 2k.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of
as and std. error values to
variables, e.g.
bias<-bootResult$bias does not work.
Any help would be appreciated.
Thank you,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
U
boot(data = delete, statistic = deletefun3, R = 200)
Bootstrap Statistics :
original biasstd. error
t1* 0.3028048 0 0
>
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude
I would like to get R2 (and and adjusted R2) from an lm. I know I can
compute R2 (SSreg/SStotal), but it would be nice to know if I could get
if automatically, e.g.
fit1<-lm(y~x)
Rsq<-fit1$rSquare.
R2.1.0 Patched under Windows 2000
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatisti
. The program
uses properly weighted perpendicular least squares regression. I would be happy
to share the code if asked to do so by anyone who has participated in this
thread.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of
S link. In the search box enter SPSS.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical C
, but Markov Chains
are beyond the scope of this Email.) and so need to consider repeated
measures techniques.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland
each observation.
I hope this has helped.
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of Medicine
Division of Gerontology
Baltimore VA Medical Cent
method anwser, and what question does the
second method answer. I have searched a number of textbooks and have not
found this question addressed.
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of M
I enter anova(fit1) I get DF, Sum Sq, Mean Sq, but the
column for F value and Pr(>F) are blank.
Any suggestions that will allow me to get the p values for summary, the
F and p values for anova?
Thanks,
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical C
Does R have a function similiar to the SPlus functoin lmRobMM?
R 2.0.1
Linux
Thanks
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC
University of Maryland School of
e. I suspect the
problem is related to file rights, but I do not know which file I do not
have rights to. Any help would be appreciated
Thanks
John
John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Cl
John Sorkin
R intalled using YUM under Red Hat Fedora Core 3.
Computer: Dell Latitude C400.
help.start()Making links in per-session dir
.../usr/lib/R/share/sh/help-links.sh: line 9:
/usr/lib/R/bin/mkinstalldirs: No such file or directory ln: creating
symbolic link `/tmp/RtmpxI5110/.R/doc/manual
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