Question about ifelse() XXXX

What is the value of
  diag(c1) - 1
?

(Or, use digits=16 when printing c1.)

Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com
-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf
Of Dan Abner
Sent: Monday, December 02, 2013 11:09 AM
To: r-help at r-project.org
Subject: [R] Question about ifelse() XXXX

 Hi all,

Can anyone explain what is happening with element 4,4 of c1? ifelse()
is not recongizing it as value 1:

c1
          q1        q2        q3        q4
q1 1.0000000 0.6668711 0.6948419 0.5758860
q2 0.6668711 1.0000000 0.6040746 0.4917447
q3 0.6948419 0.6040746 1.0000000 0.4730732
q4 0.5758860 0.4917447 0.4730732 1.0000000
ifelse(c1==1,1,0)
   q1 q2 q3 q4
q1  1  0  0  0
q2  0  1  0  0
q3  0  0  1  0
q4  0  0  0  0
c1[4,4]
[1] 1

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Question about ifelse() XXXX

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