Displaying 1 result from an estimated 1 matches for "ratingofsatisfaction".
2002 May 28
4
id & filter problems in data.frame
Hi,
a questionaire data-set with more than one row for one Person make
me problems.
(1) i want create a function which count the used
row for the relevant id !
example:
id c.row
1 1
1 2
1 3
2 1
2 2
4 1
4 2
4 3
4 4
4 5
(2) i have got a problem to filter & analyse , because the filter
criteria is unlucky
a row above or under the ratings which i would like to