[R] not common records

[Ashta]

Thank you Jeff. Solved.

On Fri, Jun 3, 2016 at 12:47 AM, Jeff Newmiller
<jdnewmil at dcn.davis.ca.us> wrote:
> ?merge
>
> Pay attention to the all-whatever parameters.
> --
> Sent from my phone. Please excuse my brevity.
>
> On June 2, 2016 7:04:47 PM PDT, Ashta <sewashm at gmail.com> wrote:
>>
>> I have 2 data sets.  File1 and File2. Some records are common to both
>> data sets. For those common records I want get the difference between
>> d_x1z1= z1-x1   and d_x2z2= z2-x2.
>>
>> File1<- data.frame(var = c(561,752,800,900),  x1= c(23,35,40,15), x2=
>> c(125,284,280,347))
>> File2<- data.frame(var = c(561,752,800,1001), z1= c(43,45,40,65), z2=
>> c(185,299,280,310))
>>
>> Record  900      15    347   appears only in File1
>> Record   1001    65    310  appears only in File2
>>
>> File3 should look like as follows
>>
>> File3
>> var      x1     x2     z1    z2    d_x1z1   d_x2z2
>> 561      23    125  43    165     20         40
>> 752      35    284  45    299      8          15
>> 800      40    280  40    280      0           0
>> 900      15    347  NA   NA      NA       NA
>> 1001     NA  NA   65    310     NA      NA
>>
>> How do I get those record not common in both data sets ?
>> merge(
>> File1,File2) gave me only for common "var"
>>
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