"=" != "==" .
-- Bert
On Tue, Apr 24, 2012 at 8:18 AM, Vincy Pyne <vincy_p...@yahoo.ca> wrote:
> Dear R helpers,
>
> I have two separate data frames. In one data frame the transaction data is
> stored and the other data frame has exchange rates stored say rate_A and
> rate_B where rate_A and rate_B are series of rates.
>
> rate_A and rate_B are properly defined and I am reading them through the
> appropriate dataframe. (Actually I have a different datasets and to try to
> keep things simple, I am defining it as above).
>
> I have BUY or SELL transaction (defined under the column head Type in
> transactions dataframe) and depending on the type of transaction, I need to
> define the rates.
>
> So if the type is BUY, rate_1 = rate_A and rate_2 = rate_B and if the type is
> SELL, rate_1 = rate_B and rate_2 = rate_A.
>
> To begin with I have only one transaction in my data frame (I am not aware if
> it is BUY or SELL transaction)
>
>
> Thus, I tried
>
>
> if(Type == "Buy")
>
> {rate_1 = rate_A & rate_2 = rate_B} else {rate_1 = rate_B & rate_2 = rate_A}
>
> I get following error
>
> Error in rate_A & rate_2 = rate_B
> could not find function "&<-"
>
> How do I define multiple conditional statements?
>
> Kindly guide.
>
> Vincy
>
>
> [[alternative HTML version deleted]]
>
>
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>
--
Bert Gunter
Genentech Nonclinical Biostatistics
Internal Contact Info:
Phone: 467-7374
Website:
http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm
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