Hi Christabel,
Take a look at the function basicStats in the fBasics package. Here is an
example:

library(fBasics)
set.seed(123)
x=rnorm(20,24,2)
basicStats(x)
#x
#nobs         20.000000
#NAs           0.000000
#Minimum      20.066766
#Maximum      27.573826
#1. Quartile  23.012892
#3. Quartile  25.097454
#Mean         24.283248
#Median       24.239970
#Sum         485.664952
#SE Mean       0.434989
#LCL Mean     23.372805
#UCL Mean     25.193690
#Variance      3.784311
#Stdev         1.945331
#Skewness     -0.062495
#Kurtosis     -0.547891


HTH,

Jorge



On Thu, Nov 6, 2008 at 6:07 AM, christabel_jane prudencio <
tekiss_cjaye@yahoo.com> wrote:

>
>
>
> I have an external data (.txt) for
> annual peak flood. The first column is the year, second column is the
> observation date, and the last is the observed discharge. My task is to
> calculate the mean, skewness and kurtosis of the said data. I was advised
> to use
> read.table() to read the entire data. Please help me on how to perform the
> required computation. I am obviously a new user of this statistical
> software.
> Thank you so much for helping.
>
> Christabel Jane P. Rubio
> M.S. Student
> Water Resources Engineering
> Dept. of Construction & Environmental Engineering
> Kongju National University (Cheonan Campus)
> 102th Office,The 5th Engineering Building,
> 275, Budae-dong, Cheonan-si, Chungnam-do, 330-717, Korea
> TEL : +82-41-521-9316
> FAX : +82-41-568-0287
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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