[R] SAS user now converting to R - Help with Transpose

[Paul Hiemstra]

Hi,

Also take a look at cast(), melt() and recast() from the reshape 
package. Great and very flexible functions.

cheers,
Paul

Daniel Malter schreef:
> ?reshape
>
> hth,
> Daniel
>
>
> baxterj wrote:
>   
>> I am just starting to code in R and need some help as I am used to doing
>> this in SAS.
>>
>> I have a dataset that looks like this:
>>
>> Chemical Well1 Well2 Well3 Well4
>> BOD 13.2 14.2 15.5 14.2
>> O2 7.8 2.6 3.5 2.4
>> TURB 10.2 14.6 18.5 17.3
>> and so on with more chemicals....
>>
>> I would like to transpose my data so that it looks like this:
>> Chemical WellID Value
>> BOD Well1 13.2
>> BOD Well2 14.2
>> BOD Well3 15.5
>> BOD Well4 14.2
>> O2 Well1 7.8
>> O2 Well2 2.6
>> .... and so on
>>
>> In sas I would code it like this:
>> proc sort data=ds1; by chemical; run;
>> Proc Transpose data=ds1 out=ds2;
>> by chemical;
>> var Well1 Well2 Well3 Well4;
>> run;
>> data ds3; set ds2;
>> rename _name_ = WellID;
>> rename col1 = value;
>> run;
>>
>> How can I do this in R??  Any help is much appreciated.  Thanks!
>>
>>     
>
>