Formula on this page: 4.1.1 - Gene Expression Profile differs from that one: http://nar.oxfordjournals.org/content/suppl/2012/06/29/gks666.DC1/nar-02667-n-2011-File002.pdf (page 6)

What is the correct one?

I'm also a bit confused about EXPRESSION_X1 value. Is the fist formula is correct (4.1.1 - Gene Expression Profile) EXPRESSION_X1 should equals to b^2 but not b.

Am I right?

Thanks