Re: CovarianceMatrix Function

*To*: mathgroup at smc.vnet.net*Subject*: [mg70773] Re: CovarianceMatrix Function*From*: Gregory Lypny <gregory.lypny at videotron.ca>*Date*: Fri, 27 Oct 2006 00:28:09 -0400 (EDT)*References*: <ehplqg$kg2$1@smc.vnet.net> <454065B2.5090201@gmail.com>

Thank you, Jean-Marc. It's working now. I don't know why it wasn't working before. I think that sometimes loading packages can be a little finicky. Gregory On Thu, Oct 26, 2006, at 3:37 AM, Jean-Marc Gulliet wrote: > Gregory Lypny wrote: >> Hello everyone, >> I've loaded >> << Statistics`DataManipulation` >> << Statistics`MultiDescriptiveStatistics` >> but cannot get the CovarianceMatrix function to work. It simply >> returns its name with all of the data as an argument. However, >> the CorrelationMatrix function does work on the same data. >> Am I doing something wrong or is CovarianceMatrix simply disabled? >> Regards, >> Gregory > Why do you think it is disabled? The example from the online help > works fine. > > In[1]:= > << "Statistics`DataManipulation`" > > In[2]:= > << "Statistics`MultiDescriptiveStatistics`" > > In[3]:= > data = N[{{1232, 4175}, {1115, 6652}, {2205, 7612}, > {1897, 10914}, {1932, 10850}, {1612, 7627}, > {1598, 6954}, {1804, 8365}, {1752, 9469}, > {2067, 6410}, {2365, 10327}, {1646, 7320}, > {1579, 8196}, {1880, 9709}, {1773, 10370}, > {1712, 7749}, {1932, 6818}, {1820, 9307}, > {1900, 6457}, {2426, 10102}, {1558, 7414}, > {1470, 7556}, {1858, 7833}, {1587, 8309}, > {2208, 9559}, {1487, 6255}, {2206, 10723}, > {2332, 5430}, {2540, 12090}, {2322, 10072}}]; > > In[4]:= > CovarianceMatrix[data] > > Out[4]= > 6 > {{124055., 361620.}, {361620., 3.48633 10 }} > > In[5]:= > $Version > > Out[5]= > "5.2 for Microsoft Windows (June 20, 2005)" > > Regards, > Jean-Marc