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6 Some Multivariate Methods > 6.12 Comparisons Based on Depth - Pg. 269

Chapter 6 Some Multivariate Methods 269 value of the argument pop, the possible values being 1, 2, and 3, which correspond to a scatterplot, an expected frequency curve, and an adaptive kernel density estimate. The argument fr is the span used by the expected frequency curve. As usual, setting plotit=F avoids the plot. The function returns an estimate of in the variable phat. I Example The rst two skull measures used in the example of Section 6.7.1 are used to illustrate the plot created by the R function mwmw. The plot is shown in Figure 6.8. The center of the data is marked by an o and based on the OP-estimator, and the null vector is indicated by a +. The function reports that phat is 0.33 indicating that the estimate of ^ Q is 0.33. This is less than the critical value 0.62, so reject. 20 . . . . . . 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . .. . . .. . . .. .. . . . .. . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .