Le 19/09/2012 07:03, Paul Anderson a écrit :
Hello all,
I have a simple question for which I cannot find the answer.
I have a LibreCalc spreadsheet containing binomial data for which I
would like to create a final summed "score" (in Column T) based upon a
manually specified score index.
Columns F, G, H, J, K, M, N, O, P, O, and R contain pure binomial
information (0 or 1)
Columns I, L, and S contain multiple numbered responses:
I = 0,1,3
L = 0,1,2,3
S = 0,1,2
I want to create a final score (Column T) based upon numerical responses
(in Columns F-S)
All this makes me think of binary data, hence to have columns F..R
(except I, L & S) set to hold either 0 or a power of 2.
F would hold 0 or 1
G 0 or 2
H 0 or 4
J 0 or 8
and so forth.
Then, adding any group of columns would then give a unique meaningful
value:
-- if you add F+G+H and get 3, you know that only F and G are set
-- if you AND F+G+H with, say, 2, you may check if G (value 2) is set :
if G AND 2 = 2 then G is set (in Calc use the BITAND function)
As I don't know exactly what you're looking to achieve, perhaps my idea
is useless.
Anyway, just my two euro-cents,
--
Jean-Francois Nifenecker, Bordeaux
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