search for: ahmlatif

Displaying 10 results from an estimated 10 matches for "ahmlatif".

2003 Sep 09
1
lattice plot - portrait / landscape
Hi, How can I use portrait/landscape option in lattice bwplot? Is there any option in trellis.device where I can define this? Thanks in advance, Mahbub.
2003 Jun 09
1
installing XML in linux
Hi, I was trying to install XML package in a linux (dabian) machine and got the following error message. I am not sure whether there is any error in my linux installion. I appreciate suggestions to install XML properly in this machine. Thanks in advance. Mahbub. ######Errors#### $ R CMD INSTALL -l /usr/local/lib/R/library/ XML_0.93-4.tar.gz * Installing *source* package 'XML' ...
2003 Aug 21
4
anova(lme object)
Hi, I use lme to fit models like R> res1 <- lme(y~A+B, data=mydata, random=~1|subject) R> res2 <- lme(y~B+A, data=mydata, random=~1|subject) (only difference between these two models are the sequence in which the indep variables are written in formula) where y is continuous and A, B, and subject are factors. To get ANOVA table I used R> anova(res1) R> anova(res2) and found
2003 Jul 22
4
greek in main title
Hello, I have written a function that demonstrates the CLT by generating samples following the exponential distribution, calculating the means, plotting the histogram, and drawing the limiting normal curve as an overlay. I have the title of each histogram state the sample size and rate (1/theta) for the exponential (the output is actually 4 histograms), but I can't get the greek letter theta
2003 Mar 21
1
trellis plot
<html><div style=''background-color:''><P><FONT size=4>Hi there,</FONT></P> <P><FONT size=4>I need some help about trellis plot. I have the following plot.</FONT></P> <P><FONT size=4>x <- c(rep(LETTERS[1:4],13), rep(LETTERS[4:1],12))</FONT></P> <P><FONT size=4>y <-
2003 May 17
2
max/summary
Hi, What is the reason for getting two different max of a vector from two functions max() and summary()? Here is an example, > set.seed(2222) > x <- sample(x=1:100000, size=10000, replace=T) > max(x) [1] 99992 > summary(x) Min. 1st Qu. Median Mean 3rd Qu. Max. 6 24510 49950 50020 75040 99990 Which value is the correct one? I had this problem while I
2003 Aug 25
2
lattice question
Hi, I want to use (similar to) las options in lattice (bwplot) plot. Actually I want to have x-axis labels as vertical instead of default horizontal. Thanks in advance for your help. Mahbub
2003 Sep 04
1
lattice question--- different ylim
Hi there, I have four panels in a lattice bwplot. I want to have two different ylim for the panels, for example panels [1,1] and [1,2] with ylim=c(0,200) and panels [2,1] and [2,2] with ylim=c(0,100). Thanks for help in advance. Mahbub.
2004 Jun 16
1
off topic: C/C++ codes for pseudo inverse
Hi, I am looking for C/C++ codes for computing generalized inverse of a matrix. Can anyone help me in this regard? Thanks, Mahbub.
2004 Apr 22
4
RODBC installation in debian
Hello List, I am trying to install RODBC package in a debian linux box but getting the following message. Can anyone help me to find what I am doing wrong here: $ R CMD INSTALL RODBC_1.0-4.tar.gz ### * Installing *source* package 'RODBC' ... checking for gcc... gcc checking for C compiler default output... a.out checking whether the C compiler works... yes checking whether we are cross