Previously-functional Octave software routine now mysteriously failing - Please help!

[Brian Inglis]

On 2023-07-17 15:43, Takashi Yano via Cygwin wrote:
> On Mon, 17 Jul 2023 17:27:37 -0400
> Bryan VanSchouwen wrote:
>> Hello.
>>
>> I just tried performing a correlation matrix calculation with
>> Cygwin's Octave software (having successfully performed this calculation
>> previously on other similar data sets) using the following commands within
>> Cygwin:
>> *****(start of commands)*****
>> [vansc@LAPTOP-OHN2RCVM
>> ~/PKG_domB_CHESCA_analysis_-_apo-cG-cA-RpcG-RpcA_4_Rp-ligs_manu_-_Jul_2023]$
>> octave
>> GNU Octave, version 5.2.0
>> Copyright (C) 2020 John W. Eaton and others.
>> This is free software; see the source code for copying conditions.
>> There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or
>> FITNESS FOR A PARTICULAR PURPOSE.  For details, type 'warranty'.
>>
>> Octave was configured for "x86_64-pc-cygwin".
>>
>> Additional information about Octave is available at https://www.octave.org.
>>
>> Please contribute if you find this software useful.
>> For more information, visit https://www.octave.org/get-involved.html
>>
>> Read https://www.octave.org/bugs.html to learn how to submit bug reports.
>> For information about changes from previous versions, type 'news'.
>>
>> octave:1> load dm
>> octave:2> cdmt = cor(dm.')
>> octave:3> save dm.octave
>> *****(end of commands)*****
>>
>>
>> However, when I tried executing the "cdmt = cor(dm.')" command, I got the
>> following error message:
>> octave:2> cdmt = cor(dm.')
>> error: 'cor' undefined near line 1 column 8
>> octave:2>
>>
>> For reference, I have attached a copy of the input "dm" matrix data file
>> that I was trying to use in the calculations within Octave (see attached
>> file).
>>
>> Do you have any idea what is going on here, and if there is a way to fix it
>> (or work around it)??
> 
> I do not really understand what you want to do, but
> corr() or corrcoef(), not cor()?

Is the OP getting confused between cov() and corr()?

-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer     but when there is no more to cut
                                 -- Antoine de Saint-Exupéry