Unformatted text preview: and sums of squares in statistics (see also Chapters 5 and 6)! The use of the summation operator goes beyond sums and sums of squares; see the sums of crossproducts in Sections 5.6 and 5.7. Knowing the properties of the summation operator may help you save some precious time, especially if you have to apply a linear transformation to your data (see property E4 on page 26 in the lecture notes)… It may also lead you to make some ‘discoveries’ (see Section 1.6)…...
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 Spring '08
 dutieulle
 Summation, summation operator

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