Practical Statistics for Data Scientists by Peter Bruce

Author:Peter Bruce
Language: eng
Format: epub
Publisher: O'Reilly Media
Published: 2020-04-10T00:00:00+00:00

Figure 4-6. A plot to determine which observations have high influence; points with Cook’s distance greater than 0.08 are highlighted in grey

Table 4-2 compares the regression with the full data set and with highly influential data points removed (Cook’s distance > 0.08).

The regression coefficient for Bathrooms changes quite dramatically.7

Table 4-2. Comparison of regression coefficients with the full data and with influential data removed Original Influential removed

(Intercept)

–772,550

–647,137

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