On Mar 27, 2010, at 6:45 AM, Joshua Wiley wrote:
It is a bit of a side note really, but a convenient way to provide
data (particularly when it is complex) is via dput(). Not only is
this easier to read in, it preserves classes and other handy info.
For instance, once I had played around to get
It is a bit of a side note really, but a convenient way to provide
data (particularly when it is complex) is via dput(). Not only is
this easier to read in, it preserves classes and other handy info.
For instance, once I had played around to get "Cook" and "Islands"
into one column (since there wa
Aha! I see now! thanks guys! really helpful!
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Am 27.03.2010 10:45, schrieb Philip Wong:
>
>> mah=mahalanobis(data,apply(data,2,mean),var(data))
>>
>
>> mah=mahalanobis(data,apply(data,2,mean),var(no_fisher))
>>
> qqplot(qchisq(ppoints(data),ncol(data),data)
>
As Joshua already pointed out: you are trying mathematical functions
Hello, this is the first 10 data of the population.
country village group av_expenP2ary_edno_fisher B_Leth
B_LutjanWt_Leth
Wt_Lutjan
Cook IslandsAitutakiD 5239.127472 0.7
666.9998558 3.286283997
1.971519001 520.6454552
Dear Philip,
It is difficult to tell what is wrong without a reproducible example.
It would be very helpful if you would provide sample data. That said,
the most obvious issue from what you have provided is that some of
your data is character. mean() and var() will not work with character
data.
Hello everyone I'm a beginner in Stats and R, I'm using R 2.10.1. I need to
create a multivariate qq plot, there is 8 variable group with each has 55
number of input. An example of what I did so far, just to get my point out:
> data=read.csv(file.choose(),header=T)
> data
country
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