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> Stephen Jay Gould was actually fairly innumerate. It’s clear he didn’t understand even the rather simple math behind the PCA, which underpins IQ measurement.
by kuhewa 5y ago
> Stephen Jay Gould was actually fairly innumerate. It’s clear he didn’t understand even the rather simple math behind the PCA, which underpins IQ measurement. You might find this instructive: https://infoproc.blogspot.com/2011/06/high-v-low-m.html?m=1 https://infoproc.blogspot.com/2011/06/high-v-low-m.html?m=1
Not sure the blogpost supports Gould being innumerate or not understanding PCA.. also, an aside, I doubt the author Hsu would agree with your take here, considering his hero Feynman had an underwhelming IQ relative to his success.
BTW what do you mean by IQ measurement is underpinned by PCA (principal component analysis? or the requisite math?)?
- tmule 5y ago“ Not sure the blogpost supports Gould being innumerate or not understanding PCA.. also, an aside, I doubt the author Hsu would agree with your take here, considering his hero Feynman had an underwhelming IQ relative to his success.” Actually, here’s Hsu on Gould again: https://infoproc.blogspot.com/2011/06/high-v-low-m.html?m=1 https://infoproc.blogspot.com/2011/06/high-v-low-m.html?m=1 The author does indeed tackle Feynman’s IQ here, and agrees with me (actually Hsu has informed a large part of my worldview): https://www.psychologytoday.com/us/blog/finding-the-next-einstein/201112/polymath-physicist-richard-feynmans-low-iq-and-finding-another https://www.psychologytoday.com/us/blog/finding-the-next-ein... “ BTW what do you mean by IQ measurement is underpinned by PCA (principal component analysis? or the requisite math?)?” Principal component analysis. More here, again from Hsu: https://www.cog-genomics.org/static/pdf/ggoogle.pdf https://www.cog-genomics.org/static/pdf/ggoogle.pdf