Displaying 20 results from an estimated 100 matches similar to: "Multiple color schemes for barchart (lattice)"
2006 Apr 13
1
Working directory
Hi,
I am a new user of "R", I am trying to read my data in.. "Cervixhc.dat" used
to be in a different directory, now it has been moved to "O:\E&s\APC cervix
FINAL (YG,MC,MD)\Manuscript\Data", but when I ran the following program (in
red) I got an error message "Error in setwd(dir) : cannot change working
directory", and "Error in file(file,
2009 Jun 18
2
Any method to speed up this problem?
Hi all,
Suppose I have a vector like this:
[1] "STAT1" "STAT1" "STAT1" "STAT1" "GAPDH" "GAPDH" "GAPDH" "ACTB"
"ACTB"
[10] "ACTB" "DDR1" "RFC2" "HSPA6" "PAX8" "GUCA1A" "UBE1L" "THRA"
"PTPN21"
[19]
2008 Jun 24
1
Binding result of a function to a data frame
Hi,
I have the following function:
> kurtosis <-function(x) (mean((x-mean(x))^4))/(sd(x)^4) #x is a vector
and data
> print(mydata)
V1 V2 V3 V4 V5
1 1007_s_at DDR1 2865.1 2901.3 1978.3
2 1053_at RFC2 103.6 81.6 108.0
3
2010 Apr 29
1
merged files
Hi,
i have two files (file1.txt and file2.txt) which i would like to merge,
based on certain criteria, i.e.
it combines data based on matching geneID and exons.
i have used the merge option, but it does not give me the desired outcome.
merged.txt shows the result i would like.
*File1. txt*
**
AffyProbe ProbeType Flag GeneSymbol GeneID Exons Chrom Strand Affytart
AffyEnd 1
2004 May 14
2
NLME model question
Dear R-helpers
I have a problem related to the use of NLME
I think is simply a matter of getting the nlme coding correct, but i cannot
get my brain around it
I am analysing some 24 growth curves of some cells , and i wanted to say
that there are significant differences between the curves in two parameters
that describe the pattern of growth. these parameters are from a logistic
(r & k)
2006 Sep 02
0
venn diagrams
I need to generate venn diagrams for some of my data. I am using the
venn library. Is there a function that generates the ids and attributes
that I can pass on to venn
Library(venn)
ids <- c(1,1,1,2,2,2,3,3,3,4,4,5,5,5,6,6,7,8,9,10)
attributes <-
2010 Jan 21
1
Merging and extracting data from list
Hello R-help group,
I have a question about merging lists. I have two lists:
Genes list (hSgenes)
name chr strand start end transStart transEnd
symbol description feature
ENSG00000223972 1 1 11874 14412 11874 14412
DEAD/H box polypeptide 11 like 1DEAD/H box polypeptide 11 like 3DEAD/H
box polypeptide 11 like 9 ;;
2002 Jan 18
2
length of dimnames???
Hi:
I have made a lot of progress reading and manipulating large data
files, thanks to the help of several of you. I am now stuck with
writing the final file with the following error (see also the full
transcript below):
Error in as.matrix.data.frame(x) : length of dimnames[2] not
equal to array extent
I do not know what it means and could not find how to get around that
in the manual nor
2006 Jul 06
0
read.xport issues
We are trying to read a sas export file into R. (Works fine on Mac by ftping the export file from solaris box and then importing to R with read.xport, this gives rational numbers etc.)
Trying to do this on an IBM Power p655 running linux, reading the same sas export file as used on MAC, in this case the results are not rational. Many of the numbers are interpreted as INF etc. Is it possible
2008 May 30
1
A question about *read.table()*
Hi list,
I have a question about using *read.table()* to read in a txt file.
Basically, it
consists of 16346 rows, 6 columns (no header). The code I used is:
exprSet <- read.table('process_all4_GSA2.txt', row.names = 1,header =FALSE)
and I got an error message:
> exprSet <- read.table('process_all4_GSA2.txt', row.names = 1,header
=FALSE)
Error in
2010 Apr 29
0
merge on criteria
Hi,
i have two files (file1.txt and file2.txt) which i would like to merge,
based on certain criteria, i.e.
it combines data based on matching geneID and exons.
i have used the merge option, but it does not give me the desired outcome.
merged.txt shows the result i would like.
*File1. txt*
**
AffyProbe ProbeType Flag GeneSymbol GeneID Exons Chrom Strand Affytart
AffyEnd 1
2007 Aug 16
4
residual plots for lmer in lme4 package
Hi,
I was wondering if I might be able to ask some advice about doing residual
plots for the lmer function in the lme4 package.
Our group's aim is to find if the expression staining of a particular gene
in a sample (or "core") is related to the pathology of the core.
To do this, we used the lmer function to perform a logistic mixed model
below. I apologise in advance
2006 Aug 31
5
Tables with Graphical Representations
Hi useRs -
I was wondering if anyone out there can tell me where to find R-code
to do mixes of tables and graphics. I am thinking of something
similar to this:
http://yost.com/information-design/powerpoint-corrupts/
or like the excel routines people are demonstrating:
http://infosthetics.com/archives/2006/08/excel_in_cell_graphing.html
My aim is to provide small graphics to illustrate
2012 May 09
12
Matrix heatmap
I would like to organize my data as follows:
I have a table that contains various data, and the numbers represent a level
of similarity between these data,
eg RF00013 has 100% similarity with the data RF00014.
I would leave my table as a heatmap where darker colors represent higher
similarity, and the lighter colors represent less level of similarity.
I'm using version 2.11 of R.
these
2001 Oct 15
0
predict.fda difficulties
Dear Dr Hornik / R help list,
I am using the mda package and in particular the fda routine to classify a
set of 162 neurons falling in to 11 neuronal cell types according to 17
morphological variables. I would like to use a cross-validation approach in
which I split the data, train with one part amd then test the predictive
accuracy of the discriminant functions with the remaining part. However
2012 Apr 26
2
Memoize and vectorize a custom function
My goal is simple: calcuate GC content of each sequence in a list of
nucleotide
sequences. I have figured out how to vectorize, but all my attempts at
memoization failed.
Can you show me how to properly memoize my function?
There is a StackOverflow post on the subject of memoization, but it does not
help me:
http://stackoverflow.com/questions/7262485/options-for-caching-memoization-hashing-in-r
2012 Jul 18
0
Building a web risk calculator based on Cox, PH--definitive method for calculating probability?
Here is an example of how to do it.
> library(survival)
> vfit <- coxph(Surv(time, status) ~ celltype + trt, data=veteran)
> userinput <- data.frame(celltype="smallcell", trt = 1)
> usercurve <- survfit(vfit, newdata=userinput) #the entire predicted
survival curve
> user2 <- summary(usercurve, time= 2*365.25) # 2 year time point
> user2$surv
[1]
1999 Mar 09
2
summary() of lm() problem (PR#135)
Debuggers,
I wrote to r-help about this and was appropriately told off by Peter
Dalgaard. I append that mail in case you have not seen it.
Following Peter's advice I have attempted to simplify the problem.
First note that the following does *not* fail (by which I mean crash, as
in generate a memory access violation):
> tmp<-matrix(c(1,0,0,1,1,1),2,3)
>
2011 May 06
2
coxph and survfit issue - strata
Dear users,
In a study with recurrent events:
My objective is to get estimates of survival (obtained through a Cox model) by rank of recurrence and by treatment group.
With the following code (corresponding to a model with a global effect of the treatment=rx), I get no error and manage to obtain what I want :
data<-(bladder)
2011 Feb 25
1
Small enhancement for CMD check
It would be nice if the 00check.log file also included this part of the
output:
Running ?bladder.R?
Comparing ?bladder.Rout? to ?bladder.Rout.save? ... OK
Running ?book1.R?
Comparing ?book1.Rout? to ?book1.Rout.save? ... OK
Running ?book2.R?
Comparing ?book2.Rout? to ?book2.Rout.save? ... OK
etc.
The survival package has enough test scripts that it exceeds my
terminal's scroll