Hello everyone,
I have a vector of p-values and I am trying to find the max for the vector and
add it to a list.I am using a loop to loop through 50 times.I have used the
following code but it does not pick out the max and add to the list.Any help
would be appreciated.
Hello everyone,
I have a list which I am trying to calculate a max value.I have the list as
w-c(v[[1]][1],...v[[100]][1]). The problem I am getting is that the function
max is saying the list is an invalid
type (list) of argument.When I show the element v[[1]][1] it shows as
I have run a wilcox test on a dataframe and I have returned to me data which
I am wanting to sort and/or pick the max.
I have tried the following code to pick the max:
v-wilcox.test.run
w-max(v,na.rm=FALSE)
I have also tried w-pmax(p-value,na.rm=FALSE) for the second line
and this returns the
Hello everyone,
I am trying to use the following code:
dat-read.table(file=C:\\Documents.txt)
class2-read.table(file=C:\\Documents.txt)
class1-read.table(file=C:\\Documents .txt)
dat-as.data.frame(dat)
dimnames(dat)[[1]]-paste(g,c(1:nrow(dat)),sep=)
Hello everyone,
I am using the following code to try to calculate the mean :
dat-read.table(file=C:\\Documents and Settings.txt)
dat-as.numeric(dat)
x1.mmean(dat)
I am getting the following error message
Error in eval.with.vis(expr,envir,enclos):
(list) object cannot be coerced to typedouble'
Hello everyone,
I am trying to plot an MvA plot with the following code:
dat-read.table(file=C:\\Documents and Settings\\.txt,header=T)
file.show(file=C:\\Documents and Settings\\Ow...txt)
library(sma)
data(MouseArray)
dat.o-as.list(dat)
dat.o$R.2-as.matrix(dat[,c(1:5)])
Hello everyone,
I am trying to color two boxplots on the same graph two
different colors.
I have tried the following
boxplot(5,1:19,5,20:39,col=c(red,blue))
but all I get are two blue boxes.
Any help would be appreciated
Paul
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Hello everyone,
I am trying to plot a boxplot but am coming up with the error :
could not find function dat I have used the following code.
dat-read.table(file=C:\\Documents and
Settings\\...txt,header=T,row.names=1,blank.lines.skip=F,na.strings=NA)
file.show(file=C:\\Documents and
Hello everyone,I am having a difficult time understanding what commands
are used to add and remove elements froma matrix or data frame.For ex
ample if I want to remove element=[1,50] or elements [1,50:63] or elements
[2:4,20:35]from a matrix and replace with NA or any number what command
must
Hello everyone,
I am wanting to replace an element in a matrix with NA. I have used the
following code
dat-read.table(file=C:\\Documents and Settings\\txt,header=T,row.names=1)
file.show(file=C:\\Documents and Settings\\txt)
Z.matrix-as.matrix(dat)
Y-dat[,46:63]
X-dat[1,51]
dat[1,51]-NA
Hello everyone,=I have a question as to how to remove the column headers
in a data file and then replace those with titles from another file in this case
the file labeled ann (
in which the titles are all in one column).I am unsure which function to
use.I tried rm () to remove the column
Hello everyone,
I have a question as to what code should be used if
one wanted to subset from a dataframe of 7000rows by 38
columns.For example if you wanted to generate a array of
100 by 38 would you not use the following:
Z-(dat,dim=c(100,38))
where dat is the dataframe of 7000by 38
Whenever I
Hello everyone,
I am trying to cast a data frame to a matrix I have used the
following code:
dat-read.table(file=C:\\Documents and Settings\.txt,header=T,row.names=1)
file.show(file=C:\\Documents and Settingt.txt)
Z.matrix-as.matrix(dat.data.frame)
but I keep getting the error
error in
Hello everyone,
I have the following code which keeps giving me an error.
The code is:
dat-read.table(file=C:\\Documents and Settings\\Owner\\My
Documents\\eisen.txt,header=T,row.names=1,blank.lines.skip=F,na..strings=NA)
dimnames(dat)((1)) -as.character(dat(,1))
dat-dat(,-1)
Hello everyone,
I am trying to plot a histogram from the following code:
dat-read.table(file=C:\\Documents and Settings\\Owner\\My
Documents\\Yeast\\Yeast.txt,header=T,row.names=1)
file.show(file=C:\\Documents and Settings\\Owner\\My
Documents\\Yeast\\Yeast.txt)
x-dat[2,23:46]
Hello to everyone,
I am trying to compute a mean and show it to the screen and then save to later
be used
as a boxplot.I have used the following code:
dat-read.table(file=C:\\Documents and Settings\\Owner\\My
Documents\\Yeast\\Yeast.txt,header=T,row.names=1)
file.show(file=C:\\Documents and
Hello everyone,
I have a data frame in which I am wanting to eliminate the row labels and then
relabel the rows with
g1-g2000.I have used the following code:
dat-read.table(file=C:\\Documents and Settings\\Owner\\My Documents\\colon
cancer1.txt,header=T,row.names=1)
file.show(file=C:\\Documents
Hello everyone,
I have two problems which I am unable to solve :
1.I am trying to add the row labels (g1-g2000) to the very left of a data
table. The data
table is 2000 rows by 62 columns.I have used the following code.
read.table(file=C:\\Documents and Settings\\Owner\\My Documents\\colon
Hello to everyone,
I have a general question about how to add a column to a table.I have a table
that has 62 columns and 2000 rows.I am wanting to add a column on the left most
row.I am wanting to label the rows g1 to g2000 I have the code of
(g,c(1:nrow(dat)),sep=) for the right side of the
Hello to everyone,
I am new to programming in R and am having trouble with the following
two commands
1.I am running a simple 1 line script read.table(file=C:\\Document and
Settings\\All Users\\Desktop\\colon cancer.txt) and the error message I get is
Error in file (file, r): cannot
open the
Hello to everyone,
I have gotten my file to print to screen but when I use read.table I am getting
an error message that
says there are more columns than column names.This is a file that was not
created by me so I am
not sure how to investigate and solve this problem.I looked in the help file
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