search for: carbon_tax_agg

Displaying 1 result from an estimated 1 matches for "carbon_tax_agg".

2010 Apr 27
0
NULL variable read in from SPS
.... Yours, Simon The variables are as follows: educ =c("university", "university") trade_off =c("*this cell is blank*", "disagree") age=c(45,43) gender_1=c("female", "female") eviro_spending=c("Less/Same", "Less/Same") carbon_tax_agg=c("agree", "disagree") y=data.frame(educ, trade_off, age, gender_1, enviro_spending, carbon_tax_agg) #The following are the original commands I used to read the .csv file into R. y=read.csv(file.choose(), header=TRUE) #When I do the following, all the variable names are co...