[R] canonical correlation

[Michael Friendly]

Perhaps what you are looking for is the visualization methods for 
canonical correlation provided in the candisc package.

see
?candisc::cancor
?heplot.cancor

-Michael


On 13/07/2014 4:39 PM, Monaly Mistry wrote:
> Dear John,
>
> In my final model I have 10 independent variables that account for the
> variation in my dependent variable, and I needed to visually demonstrate
> this relationship.  So I did a canonical correlation to get a linear
> combination of independent variables that that predicts the variation in my
> dependent variable to plot the relationship. Although I ended up using 2
> dependent variables in the canonical correlation analysis.
>
> Best,
>
> Monaly.
>
>
> On Sun, Jul 13, 2014 at 3:16 PM, John Fox <jfox at mcmaster.ca> wrote:
>
>> A small correction: I should have said "R", not "R^2".
>>
>> John
>>
>> On Sun, 13 Jul 2014 10:14:23 -0400
>>   "John Fox" <jfox at mcmaster.ca> wrote:
>>> Dear Raghuraman and Monaly,
>>>
>>> Why would one want to do canonical correlation with a single Y variable?
>> The canonical correlation is just the R^2 from the LS regression of Y on
>> the Xs.
>>>
>>> Best,
>>>   John
>>>
>>> ------------------------------------------------
>>> John Fox, Professor
>>> McMaster University
>>> Hamilton, Ontario, Canada
>>> http://socserv.mcmaster.ca/jfox/
>>>
>>>
>>> On Sun, 13 Jul 2014 09:00:52 +0100
>>>   Raghuraman Ramachandran <optionsraghu at gmail.com> wrote:
>>>> Try package CCA.
>>>>
>>>>
>>>> On Sat, Jul 12, 2014 at 11:13 PM, Monaly Mistry <
>> monaly.mistry at gmail.com>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I was wondering if it's possible in R to do a canonical correlation
>> with
>>>>> only one dependent variable and several independent variables.
>>>>>
>>>>> I've tried using cc(X,Y) but I got an error message. In this case I
>> had 1
>>>>> dependent variable and 10 independent variables.
>>>>>
>>>>> Error in cor(X, use = "pairwise") :
>>>>>    supply both 'x' and 'y' or a matrix-like 'x'
>>>>>
>>>>> When I use two dependent variables I don't get the error message.
>>>>>
>>>>> Best,
>>>>>
>>>>> Monaly.
>>>>>
>>>>>          [[alternative HTML version deleted]]
>>>>>
>>>>> ______________________________________________
>>>>> R-help at 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.
>>>>>
>>>>
>>>>      [[alternative HTML version deleted]]
>>>>
>>>> ______________________________________________
>>>> R-help at 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.
>>>
>>> ______________________________________________
>>> R-help at 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.
>>
>> ------------------------------------------------
>> John Fox, Professor
>> McMaster University
>> Hamilton, Ontario, Canada
>> http://socserv.mcmaster.ca/jfox/
>>
>>
>>
>>
>
> 	[[alternative HTML version deleted]]
>