Sunny Srivastava suncoolsu
suncoolsu
/ getMinMax_with_without_as.name.r
Created
December 6, 2010 09:40
Using as.name in ddply .(variable) results in an error "object 'grp' not found"
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| ## Doesn't work | |
| # grp -- name of a column of the the data.frame df | |
| # function call is -- getMinMax1( df1 , grp = "g10") | |
| getMinMax1 <-function(df, grp){ | |
| dfret <- ddply( df , .(as.name(grp)), ## I am using as.name(grp), source of error | |
| function(x){ | |
| minmax <- c(mix(x[ , 3]), max(x[ ,3])) | |
| return(minmax) |
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| qplot(depth, data=diamonds, geom="density", xlim = c(54, 70), | |
| fill = cut, alpha = I(0.2)) + | |
| labs(fill = "My Style \nDensity Plot" ) |