[R] Entering Data Files
darnold
dwarnold45 at suddenlink.net
Wed Jul 18 22:35:00 CEST 2012
Hi,
Entering data from a given file is the hardest part of learning R for me.
For example, I have this datafile from Moore's text:
Live Age Count
Parents Age19 324
Another Age19 37
OwnPlace Age19 116
Group Age19 58
Other Age19 5
Parents Age20 378
Another Age20 47
OwnPlace Age20 279
Group Age20 60
Other Age20 2
Parents Age21 337
Another Age21 40
OwnPlace Age21 372
Group Age21 49
Other Age21 3
Parents Age22 318
Another Age22 38
OwnPlace Age22 487
Group Age22 25
Other Age22 9
I can manually enter the numbers and create my table and barplot.
x <- matrix(c(324, 378, 337, 318, 37, 47, 40, 38, 116, 279, 372, 487, 58,
60, 49, 25, 5, 2, 3, 9), c(5,4),byrow=T)
rownames(x)=c("Parents","Another","OwnPlace","Group","Other")
colnames(x)=c("Age19","Age20","Age21","Age22")
x <- as.table(x)
barplot(x,beside=T)
But it would be nice to be able to read the data from the file, arrange it
using R, then plot, if that is possible. Any suggestions?
Thanks
David
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