[R] Query about finding correlations
singularitaet at gmx.net
Wed May 2 18:16:52 CEST 2007
How about making your homeworks yourselfes?
lalitha viswanath wrote:
> I have a dataframe which has 3 columns of numeric data
> A,B,C each of which has been obtained independent of
> the other.
> We are trying to find out, which of A or B cause C
> i.e. We are hypothesising that C is the effect and
> either A or B, not both is the cause.
> i.e. A causes C and this cause-effect relationship
> explains B.
> The data for A contains more noise than that for B.
> We are working with around 1000 points.
> I would greatly appreciate any inputs on the best
> statistcal approach to tackle this problem.
> I am thinking that we can find correlation
> coefficients between A and C, and between B and C, but
> I am not sure this answers the question.
> Also we do not know whether the correlation between
> them is linear or non linear.
> R-help at stat.math.ethz.ch mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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