[R] How to get the descriptive statistic of the whole dataframe?

[William Revelle]

At 10:31 AM +0200 8/18/11, Petr PIKAL wrote:
>Hi
>
>>
>>  look into the *apply series of functions. In your case
>>
>>  apply(name.of.your.data.frame,2,min)
>>
>>  or
>>
>>  apply(name.of.your.data.frame,2,max)
>>
>>  will do. You can also put any summary function to your liking instead of
>>  min/max.
>
>And summary has its own data frame method so simply
>
>summary(name.of.your.data.frame)
>
>There is also fivenum function and more elaborated describe in Hmisc I
>believe :-)


There are at least 3 different describe functions, all useful, but 
with somewhat different output

describe (psych)
describe (Hmisc)
describe (prettyR)

One of these will probably do just what you want.

Bill


>
>Regards
>Petr
>
>>
>>  Best,
>>  Daniel
>>
>>
>>  Lao Meng wrote:
>>  >
>>  > Hi all:
>>  > If I have a dataframe of N columns.If I wanna get the min(or max,or
>>  > mean...etc)of the whole dataframe,how to do it quickly?
>>  > What I can do is only:
>>  > min(data[,1:ncol(data)])
>>  >
>>  > Any other suggestion?
>>  >
>>  > Thanks!
>>  >
>>  > best
>>  >
>>  >    [[alternative HTML version deleted]]
>>  >
>>  > ______________________________________________
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>>  > PLEASE do read the posting guide
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>>  > and provide commented, minimal, self-contained, reproducible code.
>>  >
>>
>  > --

-- 
William Revelle		http://personality-project.org/revelle.html
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