Displaying 2 results from an estimated 2 matches for "strongestantenna".
2010 Jul 24
4
Trouble retrieving the second largest value from each row of a data.frame
I have a data frame with a couple million lines and want to retrieve the largest and second largest values in each row, along with the label of the column these values are in. For example
row 1
strongest=-11072
secondstrongest=-11707
strongestantenna=value120
secondstrongantenna=value60
Below is the code I am using and a truncated data.frame. Retrieving the largest value was easy, but I have been getting errors every way I have tried to retrieve the second largest value. I have not even tried to retrieve the labels for the value yet.
Any he...
2010 Jul 26
1
After writing data in MMF using SEXP structure, can i reference in R?
...ve a data frame with a couple million lines and want to retrieve
> the largest and second largest values in each row, along with the
> label of the column these values are in. For example
>
> row 1
> strongest=-11072
> secondstrongest=-11707
> strongestantenna=value120
> secondstrongantenna=value60
>
> Below is the code I am using and a truncated data.frame. Retrieving
> the largest value was easy, but I have been getting errors every way
> I have tried to retrieve the second largest value. I have not even
>...