Displaying 2 results from an estimated 2 matches for "ranking10".
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2006 Mar 07
2
(newbie) Accessing the pieces of a 'by' object
...come a better R programmer.
I have a dataframe that has some values by Year, Quarter and Ranking.
The variable of interest is the return (F3MRet), to be weighted
averaged within the year, quarter and ranking. At the end, we want to
end up with a table like this:
year quarter ranking1 ranking2 ... ranking10
1987 1 1.33 1.45 ... 1.99
1987 2 6.45 3.22 ... 8.33
.
.
2005 4 2.22 3.33 ... 1.22
The dataset is too large to post and I can't come up with a small
working example very easily.
I tried the Reshape() package and also the aggregate and reshape
functions. Those don't work too well becuase of...
2006 Mar 08
0
survival
...come a better R programmer.
I have a dataframe that has some values by Year, Quarter and Ranking.
The variable of interest is the return (F3MRet), to be weighted
averaged within the year, quarter and ranking. At the end, we want to
end up with a table like this:
year quarter ranking1 ranking2 ... ranking10
1987 1 1.33 1.45 ... 1.99
1987 2 6.45 3.22 ... 8.33
.
.
2005 4 2.22 3.33 ... 1.22
The dataset is too large to post and I can't come up with a small
working example very easily.
I tried the Reshape() package and also the aggregate and reshape
functions. Those don't work too well becuase of...