search for: shoulsd

Displaying 1 result from an estimated 1 matches for "shoulsd".

Did you mean: should
2006 Jul 06
2
tapply question
...8 12 14 3 0 6 0 15 then the resulting data frame would be exactly the same except that the AAA column would be 6 comes from (11 + 1)/2 7 comes from (12 + 2)/2 3 stays 3 because the element in the other AAA is zero so i don't want to average that one. it shoulsd just stay 3. So, I do DF[DF == 0]<-NA rowaverage<-function(x) x[rowMeans(forecastDf[x],na.rm=TRUE) revisedDF<-tapply(seq(DF),names(DF),rowmeans) there are two problems with this : 1) i need to go through the rows of the same name, not the columns so i don't think seq(DF) is right...