I am sorry if I misinterpreted this but this questions looks/looked very like a very basic one about statistical inference... (have a look at the Manuals/contributed documentation e.g. Faraway)
Lalitha Viswanath wrote: > Hi > This is not a homework assignment :) > Me and my manager are trying to understand the problem better. In the > meanwhile, we thought we would post the problem on this forum to seek > some input from statisticians who possibly do this kind of analyses > everyday and hence are possibly more proficient with R and/or any > recommended methodologies. > > Lalitha > > On 5/2/07, *Stefan Grosse* <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > How about making your homeworks yourselfes? > > lalitha viswanath wrote: > > Hi > > 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. > > > > Thanks > > Lalitha > > > > ______________________________________________ > > [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > <http://www.R-project.org/posting-guide.html> > > and provide commented, minimal, self-contained, reproducible code. > > > > > > > > > ------------------------------------------------------------------------ > > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.467 / Virus Database: 269.6.2/784 - Release Date: 01.05.2007 > 14:57 > ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.