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...character 5 dob Date 6 ageyrs integer 7 agemths integer 8 sex character I cannot figure out what the problem is. Please help me. Kind regards, Lazarus Mramba Junior Statistician P.O Box 986, 80108, Kilifi, Kenya Mobile No. +254721292370 Tel: +254 41 522063 Tel: +254 41 522390 (office extension : 419)

...", "C.3"))) mdat<-data.frame(mdat) mdat C.1 C.2 C.3 row1 1 2 3 row2 4 5 6 row3 7 8 9 row4 10 11 12 row5 13 14 15 row6 16 17 18 row7 19 20 21 I want to say drop row if value=1 or value =11 or value =20 How do I do that? Kind regards, Lazarus Mramba Junior Statistician P.O Box 986, 80108, Kilifi, Kenya Mobile No. +254721292370 Tel: +254 41 522063 Tel: +254 41 522390 (office extension : 419) This e-mail (including any attachment to it) contains information which is confidential. It is intended only for the use of the named recipient. If you ha...

...not detected at all leave alone connecting to the internet. I am using Atheros AR5007EG wireless network adapter, Marvel Yukon 88E8040T PCI-E Fat Ethernrt Controller. Internet works fine under the windows Vista system but not on the Ubuntu side Anyhelp will be appreciated. Kind regards, Lazarus Mramba Junior Statistician P.O Box 986, 80108, Kilifi, Kenya Mobile No. +254721292370 Tel: +254 41 522063 Tel: +254 41 522390 (office extension : 419)

Dear all, I have a large matrix with about 2500 variables, and 100 rows. I would like to calculate the means of the every 10 variables starting from 1:2500 and saving the results as a vector or matrix. How can I do that? Alternatively, How can I create 250 subset matrices in the order of variables 1:2500 in groups of 10 from the single matrix which had initially 2500 variables ? I guess I have

...the ubuntu 9.04 using the instructions found on the R site. I decided to use the R-2.9.1.tar.gz and untarred it. I then typed ./configure and the results are shown below. However, on typing make, I got an error, "No targets specified and no makefile found stop" What is the solution? lmramba at LMramba-dll-d:~$ su Password: root at LMramba-dll-d:/home/lmramba# ./configure bash: ./configure: No such file or directory root at LMramba-dll-d:/home/lmramba# cd R/R-2.9.1 root at LMramba-dll-d:/home/lmramba/R/R-2.9.1# ./configure checking build system type... i686-pc-linux-gnu checking host...

...ot;malvac.dta") Error in fromchar(x) : character string is not in a standard unambiguous format use("maltreat.dta") Error in fromchar(x) : character string is not in a standard unambiguous format I have attached the datasets (Stata datasets) herein. Kind regards, Lazarus Mramba Junior Statistician P.O Box 986, 80108, Kilifi, Kenya Mobile No. +254721292370 Tel: +254 41 522063 Tel: +254 41 522390 (office extension : 419)

...rJava/libs/rJava.so': libjvm.so ... but It cannot be loaded. What do I do? Problem 2: I have tried in vain to get the newer R version of 2.9.1. I keep on getting the 2.8.1. I have read the instructions from the R site but I seem not to be there. What do I do? Kind regards, Lazarus Mramba, KEMRI/Wellcome trust research Institute,Kilifi, Kenya This e-mail (including any attachment to it) contains information which is confidential. It is intended only for the use of the named recipient. If you have received this e-mail in error, please let us know by replying to the sender, and immedi...

...Kind regards, Lazarus > library(epicalc) Loading required package: foreign Loading required package: survival Loading required package: splines > install.packages("lattice") Warning in install.packages("lattice") : argument 'lib' is missing: using '/home/lmramba/R/i486-pc-linux-gnu-library/2.9' Error in contrib.url(repos, type) : trying to use CRAN without setting a mirror Calls: install.packages -> grep -> contrib.url Execution halted Exited: 256 [[alternative HTML version deleted]]

...cannot be downloaded due to the error indicated below. I have googled and looked at the FAQ but no solution yet. Please advise. Kind regards, Lazarus > install.packages("rJava")* Warning in install.packages("rJava") : argument 'lib' is missing: using '/home/lmramba/R/i486-pc-linux-gnu-library/2.9' *Error in read.dcf(file = tmpf) : Line starting '<html> ...' is malformed!* > *> install.packages("JGR")* Warning in install.packages("JGR") : argument 'lib' is missing: using '/home/lmramba/R/i486-pc-linux-g...

...ge ‘rJava’ * Removing ‘/usr/local/lib/R/site-library/rJava’ The downloaded packages are in ‘/tmp/RtmpOjM9hY/downloaded_packages’ Warning message: In install.packages("rJava") : installation of package 'rJava' had non-zero exit status > I went ahead and did this: root@lmramba-laptop:/home/lmramba# R CMD javareconf Java interpreter : /usr/bin/java Java version : 1.6.0_0 Java home path : /usr/lib/jvm/java-6-openjdk/jre Java compiler : /usr/bin/javac Java headers gen.: /usr/bin/javah Java archive tool: /usr/bin/jar Java library path: $(JAVA_HOME)/lib/i386/server:$...