[R] Descriptive Stats from Data Frame

[David Winsemius]

On Aug 30, 2011, at 5:30 PM, Rich Shepard wrote:

> On Tue, 30 Aug 2011, David Winsemius wrote:
>
>> It appears that your original file was delimited by "|" and your  
>> used something else, perhaps the default white-space setting?
>
> David,
>
>  Yes, the csv file separator is the pipe.

It is _not_ a csv file. You need to use read.table with sep = "|".

>
>> I think you need to go back and do your input operations again with
>> sep="|"
>>
>> (Or you could provide str() on the data.frame rather than making us  
>> guess.)
>
>> str(chemdata)
> 'data.frame':   14886 obs. of  1 variable:
> $ site_id.sample_date.param.quant: Factor w/ 14886 levels
> "BC-0.5|1996-04-19|Arsenic|0.01",..: 11579 14219 13298 11982 11909  
> 13371
> 13082 111 12 23 ...
>
> Thanks,
>
> Rich
>
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David Winsemius, MD
West Hartford, CT