Description Usage Arguments Value
View source: R/forward_methods.R
Returns MDS stress for the forward algorithm as defined in equation 8.15 of Borg and Groenen, with all weights (w_i,j) equal to 1 (do not confuse these with the weights on dimensions defined in this package).
1 | forward_cost(low_d, high_d_dist, std = TRUE)
|
low_d |
The low_d solution, an n by 2 matrix, the cost of which is to be evaluated. |
high_d_dist |
The distance matrix, n by n, of the high dimensional data of which we seek a low D approximation. |
std |
Boolean, should stress be standardized? This is accomplished by dividing stress by the sum of squared high D distance |
Nonnegative scalar stress of the configuration
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