Displaying 2 results from an estimated 2 matches for "vikasnkumar".
2008 Feb 22
2
Corrected : 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 30000 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 the 2 sets of data, for the last
100 days for every day available in the data.frames.
My code looks
2008 Feb 22
1
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 30000 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 the 2 sets of data, for the last
100 days for every day available in the data.frames.
My code looks