search for: studsur4

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2008 Sep 27
2
reshape "Error in data[, timevar] : incorrect number of dimensions"
I have two waves of a survey given to students at various middle schools and high schools, with student id numbers for each student. I am having difficulty reshaping the file from long to wide. My code is below: library(foreign) svy <- read.spss("studsur4.SAV") svy.wide <- reshape(svy, timevar="WAVE", idvar="id", direction="wide") "id" is the student identification number, and "WAVE" takes values 1 and 2. I get the following error: Error in data[, timevar] : incorrect number of dimensio...