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Exercises and small additions requested in hidden comments

Status: Open.

#217 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Resolve the six unanswered copy-editor "AU:" queries left in the source

Status: Open.

#216 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Figures requested in hidden comments (FAKE WIDTH fixes, RSM/COST overlays, interaction geometry, PCA diagrams)

Status: Open.

#215 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Resurrect drafted content hidden in RST comments (randomization CV, kernel PCA, hypothesis tests, surfactants exercises, and more)

Status: Open.

#214 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Content gaps promised in hidden comments: PLS FAQ, cross-validation coverage, DOE blocking/RSM guidance, EWMA vs autocorrelation, univariate restructure, PCA opener

Status: Open.

#213 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Ch6: verify and explain why PLS on DOE data usually yields A = 1 component per effect direction

Status: Open.

#212 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Ch2: verify the paired-tests section; is the surgical-glove example really a paired test?

Status: Open.

#211 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Ch2: N is defined as population size in the terminology section but used as sample size everywhere else

Status: Open.

#210 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Ch6: coefficient-plots section needs a worked example (author found contradicting cases); VIP citation is wrong

Status: Open.

#209 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Ch6: verify the Hotelling's T2 limit distribution against Anderson (1958) / MacGregor's citation

Status: Open.

#208 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Ch3: resolve the dangling "Barnes" citation for Shewhart chart derivations

Status: Open.

#207 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026

Ch3: verify whether independence within each Shewhart subgroup is a required assumption

Status: Open.

#206 In kgdunn/pid-book;

· kgdunn opened on Jul 5, 2026