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| Chap 3, Fig 3.6 | Right panel bar charts should not use multiple colors |
| Chap 5, mid p. 147 | should be: "we see that taking 10% of the records ... selection of 10% of the records." |
| Chap 11, pp. 297-298 (twice) | MLPCRegressor() should be MLPRegressor() |
| Chap 12, problem 12.3 d+e | should be "Compute the intercept of the classification function" |
| Chap 14, Table 14.12 | should be: "print('Top-4 recommended items for each user')" |
| Chap 14, problem 14.3 | replace "You will get a Null matrix." with "All recommendations will be 1." |
| Chap 17, Fig 17.1 code | replace "# shorter and longer time series" with "# plot the time series" |
| Chap 17, Fig 17.7 | add to end of caption: "Autocorrelation plot for lags 1--12 (for first 24 months of Amtrak ridership, 95% confidence region is blue shaded)" |
| Chap 17, p. 436 | add clarification after "is at lag 6 and is negative (exceeding the 95% confidence interval). Autocorrelations that fall outside the confidence interval point to possible model improvement." |
| Chap 19, mid p. 481 | should be "by the number of all possible shortest paths between the other nodes (n-1)(n-2)/2" |
| Chap 21, case 21.2 | should be: "Use this vector to create a cumulative gains chart for the validation set that incorporates the net profit." |
| Chap 21, case 21.6, p. 536 | should be "such as cases where NaN is indicated? |
| END ERRATA |
