Replace with Main Title
Your Name
2014-10-27
> histogram(~elevel | alength, data=alpha)

> bwplot(~elevel | alength, data=alpha)

> qqmath(~elevel | alength, data=alpha,prepanel = prepanel.qqmathline,
+ panel = function(x, ...) {
+ panel.qqmathline(x, ...)
+ panel.qqmath(x, ...)
+ })

> library(e1071, pos=43)
> numSummary(alpha[,"elevel"], groups=alpha$alength, statistics=c("mean",
+ "sd", "IQR", "quantiles"), quantiles=c(0,.25,.5,.75,1))
mean sd IQR 0% 25% 50% 75% 100%
short 1.897917 1.8548268 1.6775 -2.83 1.1400 1.915 2.8175 5.80
intermediate 2.332069 1.5808245 1.7750 -2.40 1.6075 2.735 3.3825 4.43
long 3.086667 0.9738632 1.0650 1.45 2.4850 3.370 3.5500 4.40
data:n
short 24
intermediate 58
long 15
> numSummary(alpha[,"elevel"], groups=alpha$alength, statistics=c("mean",
+ "sd", "IQR", "quantiles"), quantiles=c(0,.25,.5,.75,1))
mean sd IQR 0% 25% 50% 75% 100%
short 1.897917 1.8548268 1.6775 -2.83 1.1400 1.915 2.8175 5.80
intermediate 2.332069 1.5808245 1.7750 -2.40 1.6075 2.735 3.3825 4.43
long 3.086667 0.9738632 1.0650 1.45 2.4850 3.370 3.5500 4.40
data:n
short 24
intermediate 58
long 15