[R] Biologist R learner problem!!!help pls

Anna23 windmills_god at hotmail.com
Mon Nov 19 15:48:06 CET 2012


. Q>>>Use the built in dataset called iris in this task.
(a) Calculate the result of following formula separately in every species
for all of the
numerical variables: log(x)/x.
(b) Calculate trimmed mean for each of the numerical variables using
apply–function. Choose
your own trimming percentage




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