Displaying 3 results from an estimated 3 matches for "source_0028_0029".
2010 Jan 27
1
Problem with xyplot when creating a .png graphic
Hello,
I have the following problem. I have created a couple of scripts to
create .png graphic files from data plots, using the xyplot (lattice)
command. When I refere to the script with source(""), the script will be
red but there is no output file. The scripts work well with the regular
plot command and produce a nice PNG file.
On the other hand if I entre the single commands
2008 Jul 15
4
Iterations
I have a command that reads in some data:
x <- read.csv("Sales2007.dat", header=TRUE)
Then I try to organize the data:
sc <- split(x, list(x$Category, x$SubCategory), drop=TRUE)
Then I want to iterate through the data. I was able to get the following to run on the R console:
for(i in 1:length(sc))
{
sum(sc[[i]]$Quantity)
}
But notiing is primted on the console. I find
2007 Nov 27
4
if condition and for cycles
I have two questions about R:
1) Does anyone knows why I get the plots but not the summary results of the
linear fitting when I run this code? When I run it outside the if condition
it works fine.
if (op==4) {
t=1:length(time(SeaIce))
fitlinear=lm(SeaIce~t)
windows()
plot.ts(SeaIce)
lines(ts(fitlinear$fitted.values,start=1979,frequency=12))
summary(fitlinear)