Displaying 1 result from an estimated 1 matches for "getminmax1".
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getminmax2
2010 Dec 06
3
[plyr] Question regarding ddply: use of .(as.name(varname)) and varname in ddply function
...t;d1", "l13", "d13"
), row.names = c(1L, 2L, 3L, 1758L, 1759L, 1760L), class = "data.frame")
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If some one doesn't want to open github - here is the code
## Doesn't work
# grp -- name of a column of the the data.frame df
# function call is -- getMinMax1( df1 , grp = "var1")
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)
}
)...