How to get R square
in [Matlab]
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From: Li on 3 May 2010 15:19 I am trying to get linear regression of 10,000 sets of data by using polyfit. Anyone call tell me how to estimate the R square (or R^2)? Thank you.
From: Bruce Bowler on 3 May 2010 15:36 On Mon, 03 May 2010 19:19:24 +0000, Li set fingers to keyboard and typed: > I am trying to get linear regression of 10,000 sets of data by using > polyfit. Anyone call tell me how to estimate the R square (or R^2)? > > Thank you. help regress (with 5 outputs) -- +-------------------+---------------------------------------------------+ Bruce Bowler | The smallest deed is better than the grandest 1.207.633.9610 | intention. bbowler(a)bigelow.org | - Anonymous +-------------------+---------------------------------------------------+
From: us on 3 May 2010 15:45 "Li " <liqingjiang(a)gmail.com> wrote in message <hrn7js$jjr$1(a)fred.mathworks.com>... > I am trying to get linear regression of 10,000 sets of data by using polyfit. Anyone call tell me how to estimate the R square (or R^2)? > > Thank you. look at jd's FEX submission POLYFITN, which returns it... http://www.mathworks.com/matlabcentral/fileexchange/10065 us
From: Li on 3 May 2010 16:04
Thank you. It is a shame that Matlab does not have this function internally. "us " <us(a)neurol.unizh.ch> wrote in message <hrn94o$r$1(a)fred.mathworks.com>... > "Li " <liqingjiang(a)gmail.com> wrote in message <hrn7js$jjr$1(a)fred.mathworks.com>... > > I am trying to get linear regression of 10,000 sets of data by using polyfit. Anyone call tell me how to estimate the R square (or R^2)? > > > > Thank you. > > look at jd's FEX submission POLYFITN, which returns it... > > http://www.mathworks.com/matlabcentral/fileexchange/10065 > > us |