similar to: remove margin between plot and axis

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Readers, For a 12 hour time stamp: > testtime<-("2013-01-01 01:00:01 PM") > testtime [1] "2013-01-01 01:00:01 PM" > testtime24hour<-strftime(testtime,'%H:%M:%S') > testtime24hour [1] "01:00:01" how to convert to 24 hour format so that the object 'testtime24hour' is: '13:00:01' Thanks. -- r2151

https://gist.github.com/rpietro/6430771 stemDocument function doesn't seem to be working. Tried to look up and a few people have reported the problem, but no solution that I could find. would appreciate any help

Hello, I've come across a problem in developing a set of custom functions to calculate the number of hours of daylight at a given latitude, and the number of days a date precedes or secedes the summer solstice. I discovered an inconsistency concerning leap years between my derived values and those from the US naval databases. It seems as far as I can figure that my inconsistency arises either

Readers, For this data set: testvalues<-c(10,20,30,40) How to amend the plot instruction: plot(testvalues,ann=FALSE,type='l',yaxt='n',xaxt='n') so that x axis ticks labels can be added to existing graph with arbitrary value such as 0,100,200,300)? Thanks in advance. -- r2151

Ok, Thanks foe the answer, Ken: *1L, 2L etc are integers. (That is, identical to as.integer(1) , as.integer(2) etc) Using integers (instead of "numeric" type) is more efficient as here they're used as indexes and would be converted to integer anyway. Compare > is(1) ... and > is(1L) 1L:p is the sequence 1, 2, 3, ..., p (just like 1:p) Just for curiosity, what is

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I am trying to copy files to a password protected drive which is "Ranch" at TACC from another network drive. I am logged in to the source drive and can run R there. The following code does not even find the destination folder. file.copy("sourcedrive/file.tar", " username@ranch.tacc.utexas.edu/uniqueID/destinationfolder/file.tar", overwrite = FALSE) Thanks in

I'm new to R and trying to use the ggm package and I get the following message: > library("ggm", lib.loc="/Library/Frameworks/R.framework/Versions/3.0/Resources/library") Loading required package: graph Error: package ‘graph’ could not be loaded In addition: Warning message: In library(pkg, character.only = TRUE, logical.return = TRUE, lib.loc = lib.loc) : there is no

Readers, For a graph plot instruction: plot(seq(10:50),type='h',yaxt='n',yaxs='i',lab=c(20,2,2),xlab='x axis label',bty='l',main='graph title') how to remove y-axis label and keep the x-axis label? _ r2151

Hallo everybody! I am trying to perform a TiTAN (Baker & King 2010) analysis with R 2.14.1. I have come that far: h89Abund <- read.csv("Fish89Abund.csv") > names (Fish89Abund) [1] "StationCode" "Abramisbrama" "Alburnoidesbipunctatus" "Alburnusalburnus" [5] "Ameiurusmelas" >

hi, Could anyone help me in solving the following error: I have 5 stocks returns data (returns) EWMA = matrix(nrow=T,ncol=5) # create a matrix to hold the covariance matrix for each t lambda = 0.94 S<-cov(returns) # initial (t=1) covariance matrix EWMA[1,] = c(S)[c(1,4,2)] ---ERROR # extract the variances and covariancefor (i in 2:T) { # loop

Hi, My error isErro em hist.default(dados[[1]], freq = TRUE, seq(0, 30, 0.5), prob = FALSE, : some 'x' not counted; maybe 'breaks' do not span range of 'x' hist(dados[[1]],seq(0, 30, 0.5), prob=TRUE, xlab="chuva (mm/dia)",ylab="frequência", main="", cex.lab=1.6, cex.sub=3,cex.axis=3,cex.main=6) Someone help me? [[alternative

Dear Users, I helped to install R Commander and FactoMineR to one of my collegaues. He wanted to do an MCA. Selecting three variables and using the default settings results in only one graph, the variables representation, where he gets three points for the three variables (which is totally fine). Running the code (output of the point-and-click method) EuTop100.MCA<-EuTop100[,

Dear All, I am actually on R-devel using shell consol. When I run RStudio, it can't find libR.so in the new /lib folder where is libRblas.so libRlapack.so. At first step I configure R-devel to share library with ./configure --enable-R-shlib. when I copied libR.so from /usr/lib/R/lib/libR.so (stable version R 3.1) to /usr/local/R-devel/lib/libR.so (R-devel version), That doesn't work.

Dear All, I am actually on R-devel using shell consol. When I run RStudio, it can't find libR.so in the new /lib folder where is libRblas.so libRlapack.so. At first step I configure R-devel to share library with ./configure --enable-R-shlib. when I copied libR.so from /usr/lib/R/lib/libR.so (stable version R 3.1) to /usr/local/R-devel/lib/libR.so (R-devel version), That doesn't work.

Hi, I am having some trouble trying to install a number of packages in R on my work computer. An example of the code I am using is as follows: install.packages("ggplot2",dependencies=TRUE) An example of the error messages I am getting is: Warning: unable to access index for repository http://cran.stat.auckland.ac.nz/bin/windows/contrib/2.9 Warning: unable to access index for

Dear All, I am a research student in environment. I have only little programming knowledge. I am currently doing the last project about rainfall impact on ground water quality in an area. It happens that I have to use R to read rainfall data (3 dimension) from ASC file (*.asc), and then write them into one NCDF file (*.nc). I have been working very hard on study R, but I

Following problem: Say you have a bunch of parameters and want to produce results for all combinations of those: height<-c("high","low") width<-c("slim","wide") then what i used to do was something like this: l<-list() for(h in height){ l[[h]]<-list() for(w in width){ l[[h]][[w]] <- doSomething() } } Now those parameters aren't

I can't install rugarch package because installation of nloptr package fails . I use opensuse 12.3 # uname -a Linux candide 3.7.10-1.11-desktop #1 SMP PREEMPT Thu May 16 20:27:27 UTC 2013 (adf31bb) x86_64 x86_64 x86_64 GNU/Linux my gcc version is 4.8.1 I compiled and installed R 3.01 . then I tried to install rugarch package but it fails because it can't install depended package nloptr.