Displaying 2 results from an estimated 2 matches for "q136".
Did you mean:
136
2011 Apr 01
0
package MICE, squeeze function, calling several variables at once
Hello everyone!I have a data set with missing observations that I am trying to impute. I am using MICE and I would like the imputed values to all be positive. I have two types of variables: prices (P1 to P136) and quantities (Q1 to Q136) and I also want the range of these two types to be different. Besides these variables. I am using the squeeze function but I am unable to set it such that I don't have to write the names of all the variables. Also note that I do not have all the 136 Ps and Qs because since some were completely...
2011 Mar 18
2
How do I delete multiple blank variables from a data frame?
...iables and 267 observations. Some of these variables are blanks but the blanks are not the same for every data frame. I would like to write a procedure in which I import a data frame, see which variables are blank, and delete those variables. My data frames have variables named P1 to P136 and Q1 to Q136.
I have a couple of questions regarding this issue:
1) Is a loop an efficient way to address this problem? If not, what are my alternatives and how do I implement them?2) I have been playing with a single data frame to try to figure out a way of having R go through the columns and see which ones i...