[R] [FORGED] Re: If else

Val valkremk at gmail.com
Sun Nov 1 01:19:46 CET 2015


Hi All,

I am sorry for the confusion  and yes I understand  this due to limited
knowledge of  R. I am working on that.

Thank you again.




On Sat, Oct 31, 2015 at 7:06 PM, Rolf Turner <r.turner at auckland.ac.nz>
wrote:

>
> Jim: I'm sure that this is much more sophisticated than anything that the
> OP ever dreamed of dealing with.  And irrespective of that, the issue is
> not about there being more than two sexes in some contexts but rather of
> the folly of treating categorical data as numeric.
>
> Moreover your "neither male nor female" sexes have nothing whatever to do
> with missing values.  Missing means that the value wasn't *observed*, not
> the values was weird/strange/unfamiliar.
>
> cheers,
>
> Rolf
>
> --
> Technical Editor ANZJS
> Department of Statistics
> University of Auckland
> Phone: +64-9-373-7599 ext. 88276
>
> On 01/11/15 12:45, Jim Lemon wrote:
>
>> Having had to face this problem myself more than once, I sympathize with
>> Ted's argument. First let me confess that I regard sex as a measure of the
>> reproductive phenotype. Given the ongoing experimentation with both sex
>> and
>> gender, I have had to add "U" (Unstated - includes all those acronyms that
>> can be mistaken for gamma hydroxy butyrate) to "M" and "F" in a dataset or
>> two.
>>
>> Even worse is the crap shoot of sex chromosomes. While XYY is not much of
>> a
>> problem at all, Turner's Syndrome (XO) is neither female (although they
>> appear to be) nor male. Given a reasonably large sample (the dream of
>> some), nature usually provides a few permutations that, while we know what
>> they are, don't really fit comfortably in either "M" or "F".
>>
>
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