Typos in Chapter 5

January 11, 2010

(This article was first published on Xi'an's Og » R, and kindly contributed to R-bloggers)

After writing the solutions to the odd-numbered exercises in Chapter 5 of “Introducing Monte Carlo Methods with R”., I alas found the following typos, two of which are rather major (Exercise 5.3 and Example 5.16). I apologise to the readers these typos may confuse.

– Exercise 5.3 has no simple encompassing set and the constraint should be replaced by

x^2(1+sin(y/3)cos(8x))+y^2(2+cos(5x)cos(8y)) le 1

– In Example 5.14, the sentence between parentheses should end up with “equal to 0″ (merci, Robin!)

– Example 5.16 has a typo in that the EM sequence should be

hattheta_1 = displaystyle{left{{theta_0,x_1over 2+theta_0}+ x_4right}}bigg/displaystyle{left{{theta_0,x_1over 2+theta_0} +x_2+x_3+x_4right}}

– In Exercise 5.15, the Z’s in the formula should be in capital letters, namely

P(Z_i=1) = 1 - P(Z_i=2)

– In Exercise 5.17, the function phi should be written varphi to be coherent with the notation of Example 5.14

– Exercise 5.21 should have been removed as it duplicates Exercise 5.11…but this redundancy  is not going to confuse anyone!

As written earlier, this is a confirmation that I should have followed my own rule of “Always write the correction before the first printing”!

Posted in Books, R, Statistics Tagged: Introducing Monte Carlo Methods with R, MCMC, simulation, solution manual, typos

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