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Validation, empirical, 1
Validity
concurrent, 58
content, 66
criterion-oriented, 56
empirical, 60
lines of, code, 62
predictive, 57
Variable(s)
control of, 37
declaration, 410
dependent
DR-Count, 166
regression models for, 157
independent, nonlinear relationships with, 164
manipulation of, 37
random
continuous, 379
discrete, 378
distribution function of, 379
functions of, 386
residual values and independent, 150
simultaneous observations for, 395
stochastic, 378
ways of measuring relationships among sets of, 394
Variance-covariance matrix, 377
Variation
common, 114
new sources of, 124
sources of, 112, 113
VFM, see Virtual failure module
Virtual failure module (VFM), 315
Virtual machine
framework for, 219, 220
functionalities for, 220
Virus, Manama, 328
Vocabulary
Halstead, 124
program, 110
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