Re: [R] efficient writing of calculation involving each element of 2 data frames.

Vikas N Kumar wrote: > Hi > > I have 2 data.frames each of the same number of rows (approximately 3 or > more entries). > They also have the same number of columns, lets say 2. > One column has the date, the other column has a double precision number. Let > the column names be V1, V2. > > N

[R] efficient writing of calculation involving each element of 2 data frames.

Hi I have 2 data.frames each of the same number of rows (approximately 3 or more entries). They also have the same number of columns, lets say 2. One column has the date, the other column has a double precision number. Let the column names be V1, V2. Now I want to calculate the correlation of