I fount out a solution ... check it out
random_sample = function (dt, sample_size) {
# determine the number of records in the data frame
length_dt = length (dt[,1])
# extract the sample
dt [sample (1:length_dt, size = sample_size),]
}
--
View this message in context:
http://r.789
Hi guys :)
I have a dataframe a
a <- read.dta("imprese.dta")
15867 obs. and 23 varaible
I want to make a linear regression on a sample of 300 units
how can i do?
Thank you
--
View this message in context:
http://r.789695.n4.nabble.com/Linear-regression-on-dataframe-s-sample-tp4648288.htm
2 matches
Mail list logo