Hi:
Good Day!
I'm a newbie of S-PLUS, using S-PLUS 4.0 for windows.
I've got a problem which has spent me 2 days and I still don't
know how to make it.
What I want to do is to use data.frame CHOOSED to lookup data.frames
COMPANY and MARKET and get the result data.frame SAMPLE.
My problem is how to write this function. Is there any similar
function that I can use?
Thank you for your reading.
data.frame: MARKET
(row.names) MONTH RMT RFT
-------------------------------------
M8601 M8601 1,73 0.46
M8602 M8602 1.04 0.46
M8603 M8603 2.44 0.46
...
M8912 M8912 0.63 0.50
data.frame: COMPANY
(row.names) CMPY M8601 M8602 ... M8910
------------------------------------------------------
C2301 C2301 3.77 1.28 ... 0.23
C2303 C2302 -2.18 -1.66 ... 0.51
C2303 C2303 0.64 0.23 ... -1.87
C2304 C2304 0.12 1.33 ... 3.21
C2305 C2305 0.88 1.87 ... 1.58
C2306 C2306 1.18 0.52 ... 2.38
C2307 C2307 6.44 0.77 ... -0.68
C2308 C2308 -1.23 0.22 ... -0.69
C2309 C2309 -0.64 0.14 ... 1.44
...
C9918 C9918 8.77 2.44 ... -3.87
data.frame: CHOOSED
CMPY MONTH
----------------------
[1,] C2304 M8601
[2,] C2308 M8601
[3,] C2303 M8601
...
[511,] C2303 M8603
[512,] C9918 M8602
data.frame: SAMPLE
CMPY MONTH RIT RMT RFT
------------------------------------
C2304 M8601 0.12 1.73 0.46
C2308 M8601 -1.23 1.73 0.46
C2303 M8601 0.64 1.73 0.46
...
C9918 M8910 -3.87 0.03 0.50
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