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Asymmetric proximity matrices
Immediacy matrices in which the off-diagonal elements which are, in the i th row and j th column and the j th row and i th column, are not essentially equal. Examples are given by the number of marriages between men of one nationality and women of another, immigration/emigration statistics and the number of citations of one journal by the other.Multidimensional scaling methods and techniques for such matrices usually rely on their canonical decom- position into the sum of a symmetric matrix and the skew symmetric matrix.
Analysis of covariance (ANCOVA) It is initially used for an expansion of the analysis of variance which permits to the possible effects of continuous concomitant variables (suc
entropy test to measure interaction between enviornmental factors and genes
Consider three stocks A, B and C costing $100 each. The annual returns on the three stocks have mean $5 and variance $10. a. Suppose that the returns on the three stocks are i.i
#questionMaximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0..
implications of multicollinearity
The Null Hypothesis - H0: β0 = 0, H0: β 1 = 0, H0: β 2 = 0, Β i = 0 The Alternative Hypothesis - H1: β0 ≠ 0, H0: β 1 ≠ 0, H0: β 2 ≠ 0, Β i ≠ 0 i =0, 1, 2, 3
Standard Deviation The concept of standard deviation was first introduced by Karl Pearson in 1893. The standard deviation is the most important and the popular measure of disp
Test the following claim. Identify the null hypothesis, alternative hypothesis, test statistic, critical value(s), conclusion about the null hypothesis, and final conclusion that
What is a null hypothesis? ..
Problem : A company supplying electrical products, places a rush order for electric wires. Consignments of wires are to be sent immediately when they are available. Previous
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