Re: [R] Optional argument to be used in a subset function

it & 'Column 2'=="cold" & 'Column 3'== optional)) z <- a+b print(z) } * * What I need is that the function band("file","orange"), subset the data frame using all possible values for Column 3 but is not doing it. All ideas are wel

[R] R: Optional argument to be used in a subset function

umn 2'=="cold" & 'Column 3'== optional)) * *z <- a+b* * print(z)* * }* What I need is that the function *band("file","orange")*, subset the data frame using all possible values for Column 3 but is not doing it. All ideas are welcome. Thanks.