search for: areaf

Displaying 3 results from an estimated 3 matches for "areaf".

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2007 Aug 10
3
having problems with factor()
...30 2 4 360 3 5 126 1 6 280 2 7 260 2 8 280 2 9 280 2 10 260 2 ....... 180 450 4 181 90 1 182 120 1 183 440 4 184 210 2 185 330 3 186 210 2 187 100 1 188 0 0 I want to convert the area column values to factors, to do an anova. However, if I use: df$areaf <- factor(df$area, labels=c("0","I","II","III","IV","V","VI","VII")) it gives the following message: Error in factor(df$area, labels = c("0", "I", "II", "III", "IV"...
2007 Aug 10
0
Odp: having problems with factor()
...2 > 10 260 2 > ....... > 180 450 4 > 181 90 1 > 182 120 1 > 183 440 4 > 184 210 2 > 185 330 3 > 186 210 2 > 187 100 1 > 188 0 0 > > I want to convert the area column values to factors, to do an anova. However, if I use: > > df$areaf <- factor(df$area, labels=c("0","I","II","III","IV","V","VI","VII")) > > it gives the following message: > Hm, maybe some of the values are missing > num<-sample(1:3, 10, replace=T) > num [1] 1...
2007 Aug 11
0
DOE and interaction plot general question
...> 10 260 2 > ....... > 180 450 4 > 181 90 1 > 182 120 1 > 183 440 4 > 184 210 2 > 185 330 3 > 186 210 2 > 187 100 1 > 188 0 0 > > I want to convert the area column values to factors, to do an anova. > However, if I use: > > df$areaf <- factor(df$area, > labels=c("0","I","II","III","IV","V","VI","VII")) > > it gives the following message: > > Error in factor(df$area, labels = c("0", "I", "II", "II...