Displaying 2 results from an estimated 2 matches for "textstweet1".
2009 Apr 17
0
question about the Text Mining package tm
Hello. I am trying to work with the text mining package tm.
I have a directory called textsTweet1 which contains three files
short.txt
myTextFile.txt
myTextFile.csv
short.txt contains one line: THE CAT IN THE HAT\n
myTextFile contains some tweets from Twitter. The first few lines of
myTextFile.txt are:
@oliviamunn I miss a good Yakaniku...I miss Japan...I NEED COCO EVERYBODY. I
NEED TO GET O...
2009 May 24
2
accuracy of a neural net
...sing the
same data for training and prediction but I did not expect perfect
prediction anyway). So I tried using only a sample of records to build the
neural net.
Even with this sample I got 980 out of 982 correct. Can anyone spot an error
here?
crs$dataset <- read.csv("file:///C:/dataForR/textsTweet1/cleanForPC.csv",
na.strings=c(".", "NA", "", "?"))
crs$nnet <- nnet(Value ~ ., data=crs$dataset[,c(1:22,922)], size=10,
linout=TRUE, skip=TRUE, trace=FALSE, maxit=1000)
targets=crs$dataset[,922]
rawpredictions =predict(crs$nnet, crs$dataset[, c(1:22...