Displaying 1 result from an estimated 1 matches for "3300bc".
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3300
2012 May 03
1
bwplot: using a numeric variable to position boxplots
...epoch,
labels=sub("c","",levels(Skulls$epoch)))
> # create year variable
> Skulls$year <- rep(c(-4000, -3300, -1850, -200, 150), each=30)
> str(Skulls)
'data.frame': 150 obs. of 6 variables:
$ epoch: Ord.factor w/ 5 levels "4000BC"<"3300BC"<..: 1 1 1 1 1 1 1 1
1 1 ...
$ mb : num 131 125 131 119 136 138 139 125 131 134 ...
$ bh : num 138 131 132 132 143 137 130 136 134 134 ...
$ bl : num 89 92 99 96 100 89 108 93 102 99 ...
$ nh : num 49 48 50 44 54 56 48 48 51 51 ...
$ year : num -4000 -4000 -4000 -400...