Displaying 20 results from an estimated 300 matches similar to: "Results with name of dataset"
2011 Nov 10
2
library(qpcR) cbind.na
I want to use function cbind.na at library(qpcR)
I install package qpcR and I can use functions such
m1 <- pcrfit(reps, 1, 2, l5)
> AICc(m1)
[1] -102.5843
but when i try cbind.na(1, 1:7) i take message
Error: could not find function "cbind.na"
Thanks
--
View this message in context: http://r.789695.n4.nabble.com/library-qpcR-cbind-na-tp4023339p4023339.html
Sent from the
2012 Dec 23
2
Select maximum subset
Suppose i have matrix z
id<-c(1,2,3,4,5)
a <- c(4, 3, 2, NA, 1)
b <- c(3, NA, 2, 7, 1)
c <-c(3, NA, NA, 7, NA)
z<- cbind(id,a, b,c)
id a b c
[1,] 1 4 3 3
[2,] 2 3 NA NA
[3,] 3 2 2 NA
[4,] 4 NA 7 7
[5,] 5 1 1 NA
I want to select those columns for which I have the smallest number of NA
In my example, these would be column1 and 2
since they give me
4 3
2 2
2010 Aug 26
2
Problems when Apply a script to a list
Dear users,
*******I have a function f to simulate data from a model (example below used
only to show my problems)
f<-function(n,mean1){
a<-matrix(rnorm(n, mean1 , sd = 1),ncol=5)
b<-matrix(runif(n),ncol=5)
data<-rbind(a,b)
out<-data
out}
*********I want to simulate 1000 datasets (here only 5) so I use
S<-list()
for (i in 1:5){
S[[i]]<-f(n=10,mean1=0)}
******I have a
2011 Oct 28
2
Faster process for creating a matrix based on matrix element comparison
I have matrix data
data<-matrix(cbind(c(0,0,0),c(NA,0,1),c(1,1,1),c(0,1,1)),ncol=3)
and I want to create a new matrix by checking each element of the data and
put value 0 if i have NA and 1 otherwise.
For this reason i made the function below
pdata<-matrix(NA,ncol=ncol(data),nrow=nrow(data))
pdata<-sapply(1:nrow(data),function(i) sapply (1:ncol(data),function(j)
if (is.na(data[i,j]))
2009 Jan 14
2
runs.test in by() statement
Hi everybody
I am a recent convert from SAS so please excuse me if this is all very
obvious:
I want to use the runs test {runs.test() in package tseries} to test the
randomness of a certain variable in a survey for each interviewer. I tried
to us the by() statement but it doesn't seem to work with runs.test() as the
function.
Here is what I have: Consider a data frame with two variables and
2011 Aug 03
4
slow computation of functions over large datasets
Hello there,
I’m computing the total value of an order from the price of the order items
using a “for” loop and the “ifelse” function. I do this on a large dataframe
(close to 1m lines). The computation of this function is painfully slow: in
1min only about 90 rows are calculated.
The computation time taken for a given number of rows increases with the
size of the dataset, see the example with
2012 Oct 05
1
avoid <<- in specific case
Hi all,
I improved a function drawing horizontal histograms (code below) which uses barplot and works fine.
It does,however, need to assign a function to the global environment to later find the actual location on the vertical axis, and not the number of bars used by barplot.
Hopefully, running the examples below will illustrate that.
As said, it works perfectly fine and does exactly what I
2008 Mar 04
2
summarizing replicates with multiple treatments
I have a dataframe with several different treatment variables, and
would like to calculate the mean and standard deviation of the
replicates for each day and treatment variable. It seems like it
should be easy, but I've only managed to do it for one treatment at a
time using subset and tapply. Here is an example dataset:
> `exampledata` <-
structure(list(day = c(1L, 1L, 1L, 1L, 1L,
2009 Nov 21
1
what do i do to fix missing packages...see error
> exampledata <- rnorm(10000)
> summary(exampledata)
Min. 1st Qu. Median Mean 3rd Qu. Max.
-4.030000 -0.666200 -0.023390 -0.009384 0.664700 4.092000
> desc <- function(mydata) {
+ require(e1071)
+ quantls <- quantile(x=mydata, probs=seq(from=0, to=1, by=0.25))
+ themean <- mean(mydata)
+ thesd <- sd(mydata)
+ kurt <-
2009 Jul 15
1
loading multiple .Rdata and preserving variable names
Dear R-users,
I need to load outputs from multiple previous calculations into one R
session for comparison and (cross-)analysis. The previous calculations are
stored in different directories in .Rdata files (I don't know if this is the
best storage for later usage, but the previous project could be recalculated
and saved into different format, if needed, potentially.)
I can load consequently
2011 Jan 20
2
adding text to y-axis per row of panels (lattice)
Dear all,
Being a newbie to R, I've trawled through many old posts on this list
looking for a solution to my problem, but unfortunately couldn't quite
figure it out myself. I'd be very grateful if someone here on this
list could perhaps help me out.
I have a lattice plot with several panels and would like to add some
text next to the y-axis on the right hand side of each row of
2017 Nov 29
0
Removing a data subset
Reading in the data from the file
x <- read.csv( "ExampleData.csv", header = TRUE, stringsAsFactors = FALSE )
Subsetting as you want
x <- x[ x$Location != "MW01", ]
This selects all rows where the value in column 'Location' is not equal to "MW01". The comma after that ensures that all columns are copied into the amended data.frame.
Rgds,
2010 Sep 04
2
Function try and Results of a program
Hello, users.
Dear users,
*******I have a function f to simulate data from a model (example below used
only to show my problems)
f<-function(n,mean1){
a<-matrix(rnorm(n, mean1 , sd = 1),ncol=5)
b<-matrix(runif(n),ncol=5)
data<-rbind(a,b)
out<-data
out}
*********I want to simulate 1000 datasets (here only 5) so I use
S<-list()
for (i in 1:5){
S[[i]]<-f(n=10,mean1=0)}
2017 Aug 18
0
"How to convert .Rdata file into .csv or something else?" [SOLVED:Corrected version]
Dear mailing list members,
A member found a problem of lines of codes in my last e-mail.
I submit the correction to this mailing list as follows.
In the final part of my last e-mail message, a csv file is created.
But, I cannot open this file, so please ignore the following part.
--------------------------------------------------------------------------------------------------
If you want to
2017 Aug 18
0
"How to convert .rdata file into .csv or something else?" [SOLVED:Corrected version2]
Dear mailing list members,
Sorry for the repeated posting, but I have to add two more things.
1) I changed the .Rdata into .rdata in the subject to avoid
misunderstanding of readers.
2) To save data in csv file;
> write.csv(WV6_Data_R, "input/ch2/WV6_Data_R_v_2016_01_01.csv")
Best regards,
Yohei Tanaka
===========the following is the copy of my last message===========
A member
2011 Jun 07
1
XML segfault on some architectures
Hi,
I found an architecture-specific segfault problem with the XML package. I originally found the problem using the parseKGML2Graph function in the Bioconductor KEGGgraph package, but as far as I can tell the underlying issue seems to be with the xmlTreeParse which is called by parseKGML2Graph.
I'm trying this piece of code, from the xmlTreeParse help page:
library(XML)
fileName <-
2004 Jul 22
3
Replace only Capital Letters
Dear All,
I have these data:
exampledata <- c("This is one item", "This is Another One", "And so is
This")
I would like to find each occurence of a blank space followed by a Capital
Letter and replace it by a blank space, a left curly brace, the respective
Capital Letter, and then a right curly brace.
I thought the following will do:
gsub(pattern = "
2017 Nov 29
3
Removing a data subset
Say I have a dataset that looks like
Location Year GW_Elv
MW01 1999 546.63
MW02 1999 474.21
MW03 1999 471.94
MW04 1999 466.80
MW01 2000 545.90
MW02 2000 546.10
The whole dataset is at http://doylesdartden.com/ExampleData.csv
and I use the code below to do the graph but I want to do it without MW01.
How can I
2010 Jul 06
1
Error in affypdnn package
Dear all,
I am a PhD student working with Affymetrix HGU133atag array for analyzing the Latin square experiment.
I was trying to generate gene expression index for hgu133atag array for PDNN model. While extracting the chiptype specific data structure, I got the following error-
> library(affypdnn)
Loading required package: affy
Loading required package: Biobase
Welcome to Bioconductor
2015 Oct 31
1
Example input data with example output using relative pathway in vignette of R package?
I'm putting together an R package. I would like to show example code in the
vignette, where example data files (included in the package) are used to
generate an (example) output file.
I read about using example data in Hadley Wickham's post (
http://r-pkgs.had.co.nz/data.html), and believe I should keep my example
data as raw data, as it must be parsed to generate the output.
So, I