Error in `$<-.data.frame`(`*tmp*`, marital1, value = numeric(0)) : replacement has 0 rows, data has 526

Question

Have a CSV file with wages.

Attempting to convert a qualitative variable into a numerical variable. The variable is "marital", where 1 denotes being married and 0 denotes being unmarried.

wages = read.csv("Desktop/wages.csv")

wages$marital1=as.numeric(wages$marital1=="married")

Keep getting

Error in `$<-.data.frame`(`*tmp*`, marital1, value = numeric(0)) :
replacement has 0 rows, data has 526

Answer 1

You need to check your variable name (column name), the reason for this problem is usually because the variable name in your function is different from the variable name (column name) in the data frame.