Created
October 23, 2012 17:16
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cast4
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| #Truncate Data: | |
| party.and.ideology<- ANES[,c(1, 12, 14)] | |
| head(party.and.ideology) | |
| #Step 1 : Melt | |
| party.and.ideology.year <- melt(party.and.ideology, id=c("year"), na.rm=TRUE) | |
| head(party.and.ideology.year) | |
| #Step 1 : Cast | |
| party.and.ideology.means.over.time <- (cast(party.and.ideology.year, | |
| year~variable, mean, na.rm=T) ) | |
| party.and.ideology.means.over.time | |
| dim(party.and.ideology.means.over.time) |
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