Dear all,
please could you advise on the R code I could use in order to do the
following operation :
a. -- I have 2 lists of "genome coordinates" : a list is composed by
numbers that represent genome coordinates;
let's say list N :
n1
n2
n3
n4
and a list M:
m1
m2
m3
m4
m5
2 -- and a data frame C, where for some pairs of coordinates (n,m) from the
lists above, we have a numerical intensity;
for example :
n1; m1; 100
n1; m2; 300
The question would be : what is the most efficient R code I could use in
order to integrate the list N, the list M, and the data frame C, in order
to obtain a DATA FRAME,
-- list N as the columns names
-- list M as the rows names
-- the values in the cells of N * M, corresponding to the numerical values
in the data frame C.
A little example would be :
n1 n2 n3 n4
m1 100 - - -
m2 300 - - -
m3 - - - -
m4 - - - -
m5 - - - -
I wrote a script in perl, although i would like to do this in R
Many thanks ;)
-- bogdan
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