Re: Unable to install Tisean

[Oliver Heimlich]

On 04.08.2018 02:23, Sai Sravanthi wrote:
> 
> Hi,
> 
> I am trying to install Tisean to conduct PCA on my dataset.
> I am unable to instal tisean in Octave. Iam getting the following error.
> Please help.
> 
>>> pkg install tisean-0.2.3.tar.gz
> configure: error: in `/tmp/oct-P4jiNI/tisean-0.2.3/src':
> configure: error: cannot run C++ compiled programs.
> If you meant to cross compile, use `--host'.
> See `config.log' for more details
> checking for g++... g++
> checking whether the C++ compiler works... yes
> checking for C++ compiler default output file name... a.exe
> checking for suffix of executables... .exe

Hi,

it looks like you are running Octave on Windows. The tisean package is
part of the official Octave for Windows installer which you can get from

  https://www.gnu.org/software/octave/#install

It should be possible for you to simply load and then use the tisean
package:

>> pkg load tisean
>> help pca
'pca' is a function from the file …/tisean-0.2.3/pca.m

 -- Function File: EIGVAL = pca (S)
 -- Function File: [EIGVAL, EIGVEC] = pca (S)
 -- Function File: [EIGVAL, EIGVEC, TS] = pca (S)
 -- Function File: [...] = pca (S, PARAMNAME, PARAMVALUE, ...)

     Performs a global principal component analysis (PCA). It gives the
     eigenvalues of the covariance matrix and depending on the flag W
     settings the eigenvectors, projections of the input time series.
…


Oliver

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