[Insight-developers] Statistics/CovarianceCalculator
Miller, James V (Research)
millerjv@crd.ge.com
Mon, 10 Feb 2003 11:19:11 -0500
This message is in MIME format. Since your mail reader does not understand
this format, some or all of this message may not be legible.
------_=_NextPart_001_01C2D11F.D58E9F4A
Content-Type: text/plain;
charset="iso-8859-1"
Looking at the CovarianceCalculator, it appears as though you need to specify the mean of the sample.
I think this requirement should be removed. Covariance can be calculated in a single pass through
the sample without having the specified a priori.
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
Jim Miller
_____________________________________
Visualization & Computer Vision
GE Research
Bldg. KW, Room C218B
P.O. Box 8, Schenectady NY 12301
millerjv@research.ge.com <mailto:millerjv@research.ge.com>
james.miller@research.ge.com
(518) 387-4005, Dial Comm: 8*833-4005,
Cell: (518) 505-7065, Fax: (518) 387-6981
------_=_NextPart_001_01C2D11F.D58E9F4A
Content-Type: text/html;
charset="iso-8859-1"
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2715.400" name=GENERATOR></HEAD>
<BODY>
<DIV><SPAN class=874391616-10022003><FONT size=2>Looking at the
CovarianceCalculator, it appears as though you need to specify the mean of the
sample. I think this requirement should be removed. Covariance can
be calculated in a single pass through the sample without having the specified a
priori.</FONT></SPAN></DIV>
<DIV><SPAN class=874391616-10022003><FONT size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=874391616-10022003><FONT size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=874391616-10022003></SPAN> <?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" /><o:p></o:p></DIV>
<DIV class=Section1>
<P style="MARGIN: 0in 0in 0pt"><B><SPAN
style="COLOR: navy; FONT-FAMILY: 'Comic Sans MS'">Jim Miller</SPAN></B>
<BR><B><I><SPAN
style="FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial">_____________________________________</SPAN></I></B><BR><EM><SPAN
style="FONT-SIZE: 7.5pt; COLOR: black; FONT-FAMILY: Arial">Visualization &
Computer Vision</SPAN></EM><I><SPAN
style="FONT-SIZE: 7.5pt; COLOR: black; FONT-FAMILY: Arial"><BR><EM>GE
Research</EM><BR><EM>Bldg. KW, Room C218B</EM><BR><EM>P.O. Box 8, Schenectady NY
12301</EM><BR><BR></SPAN></I><EM><U><SPAN
style="FONT-SIZE: 7.5pt; COLOR: blue"><A
href="mailto:millerjv@research.ge.com">millerjv@research.ge.com</A></SPAN></U></EM></P>
<P style="MARGIN: 0in 0in 0pt"><EM><U><SPAN
style="FONT-SIZE: 7.5pt; COLOR: blue">james.miller@research.ge.com</SPAN></U></EM><BR><I><SPAN
style="FONT-SIZE: 7.5pt; COLOR: black; FONT-FAMILY: Arial">(518) 387-4005, Dial
Comm: 8*833-4005, </SPAN></I><BR><I><SPAN
style="FONT-SIZE: 7.5pt; COLOR: black; FONT-FAMILY: Arial">Cell: (518) 505-7065,
Fax: (518) 387-6981</SPAN></I> </P>
<P class=MsoNormal> <o:p></o:p></P></DIV>
<DIV> </DIV></BODY></HTML>
------_=_NextPart_001_01C2D11F.D58E9F4A--