I am getting the mean, max and min of a column a by factors b
tapply(df$a,df$b,summary)
However, I want to have the numbers in Scientific format. e.g. 4.42e+03
How can I do it?
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This question may be useful -even though they want the opposite - http://stackoverflow.com/questions/9397664/force-r-not-to-use-exponential-notation-e-g-e10 – John Paul Oct 24 '14 at 19:35
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1Please provide something reproducible – Rich Scriven Oct 24 '14 at 19:39
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You could try `sprintf("%0.3g", 4420)#[1] "4.42e+03"` – akrun Oct 24 '14 at 19:50
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1@maximusyoda May be `res <- tapply(mtcars$mpg,mtcars$cyl,summary); lapply(res, function(x) {x[] <- sprintf("%0.1g", x); x})` – akrun Oct 24 '14 at 19:58
