From john.maindonald at anu.edu.au  Fri Nov 14 00:13:37 2014
From: john.maindonald at anu.edu.au (John Maindonald)
Date: Thu, 13 Nov 2014 23:13:37 +0000
Subject: [Rd] Correction in help(factanal)
Message-ID: <4B6A3570-97BB-4907-B5CE-A073CBA0DDE3@anu.edu.au>

<<<
Thus factor analysis is in essence a model for the correlation matrix of x,

? = ?'? + ?
>>>

This should surely be ? = ??' + ?

Also line 3 under ?Details? says
<<<
for a p?element row-vector x, ?
>>>

x is here surely a column vector, albeit the transpose of a row vector
from the data matrix.

cf page 322 of ?Modern Applied Statistics with S?, 4th edn.

John Maindonald             email: john.maindonald at anu.edu.au
phone : +61 2 (6125)3473    fax  : +61 2(6125)5549
Centre for Mathematics & Its Applications, Room 1194,
John Dedman Mathematical Sciences Building (Building 27)
Australian National University, Canberra ACT 0200.




[Rd] Correction in help(factanal)
John Maindonald