dec_cor is a frequency that describes the
number of individuals in the current population
for which the decision is correct/accurate
(i.e., cases in which the decision corresponds to the condition).
An object of class
numeric of length 1.
The frequency of
dec_cor individuals depends on the population size
to other frequencies:
In a population of size
N the following relationships hold:
N = cond_true + cond_false (by condition)
N = dec_pos + dec_neg (by decision)
N = dec_cor + dec_err (by correspondence of decision to condition)
dec_cor = hi + cr
dec_err = mi + fa
N = hi + mi + fa + cr (by condition x decision)
When not rounding the frequencies of
dec_cor = N x acc = hi + cr
dec_cor corresponds to the sum of true positives
hi and true negatives
Current frequency information is computed by
comp_freq and contained in a list
Consult Wikipedia: Confusion matrix for additional information.
is_freq verifies frequencies;
num contains basic numeric parameters;
init_num initializes basic numeric parameters;
freq contains current frequency information;
comp_freq computes current frequency information;
prob contains current probability information;
comp_prob computes current probability information.
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