This function plots arithmetic mean and standard deviation for a given data frame. The arithmetic mean is displayed as a small rectangle with lines with the length of standard deviation protruding from its sides.
1  panel.meansdplot(x, y, mean.pch = 15, mean.cex = 1, mean.col = "blue", ...)

x 
data 
y 
data 
mean.pch 
character to plot for the arithmetic mean 
mean.cex 

mean.col 
color for the arithmetic mean. 
... 
additional parameters passed to further functions called. 
This lattice panel functions is used to plot the arithmetic mean and the standard deviation. It can be used with any lattice function allowing the specification of a panel function.
Raphael W. Majeed
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