Displaying 3 results from an estimated 3 matches for "pid50".
2010 Jul 08
4
Column header strategy
Hopefully simple question: What is the best way to name, and treat factor
columns for data that has lots of columns?
This is my column list:
id pID50 D.1 D.2 D.3 D.4 D.5 , etc. all the way to D.185
I was under the impression from several R examples in pls that if you name
your columns like above, you should be able to simply call all the D factors
with "D", instead of going in and putting a plus sign between each column.
miceD <-...
2010 Jul 16
3
Help with Sink Function
iterations <- 100
nvars <- 4
combined <- rbind(scaleMiceTrain, scaleMiceTest)
reducedSample <- combined
reducedSample <- subset(reducedSample, select = -pID50)
reducedSample <- subset(reducedSample, select = -id)
for (i in 1:iterations)
{
miceSample <- sample(combined[,-c(1,2)],nvars, replace=FALSE)
miceSample$pID50 <- combined$pID50
miceTestSample <- miceSample[47:55,]
miceTrainSample <- miceSample[1:46,]
fit.kknn <- kknn(pID50...
2010 Jul 13
2
Want to exclude a column when using sample function
For example: When I take a sample of 5 from 10 columns, I want to exclude
from the sample column 1 from being chosen. How do I do this?
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