help

I Now, use the colnames() function to set the 'colnames' attribute for our data frame. This is I similar to the way we used the dim() function earlier in this lesson. >colnames(vector) NULL I Try again. Getting it right on the first try is boring anyway! Or, type info() for more options 1 Try cotnamies(my_data) > colnames(my_data) > 'colnames' (my_data) > 'colnames> colnames+ > > colnames+ > colnamese- my_data(cnames) Error in my_data(cnames) : could not find function "my_data