Documentation
¶
Overview ¶
Package theorem is an Bayes' theorem implementation.
Index ¶
Examples ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func Bayes ¶
Bayes returns the probability from the given probability based on Bayes' theorem. In other words, it returns the probability of event B occurring when event A occurred.
- priorPtoB is the prior probability occurrence of event B.
- priorPfromAtoB is the prior probability occurrence of event B when previous event A occurred.
- priorPNotFromAtoB is the prior probability that did not occur event B when previous event A occurred.
Example ¶
package main
import (
"fmt"
"github.com/KEINOS/go-bayes/pkg/theorem"
)
func main() {
// Validation of figures
// Bayes' theorem
x := 0.3 * 0.4
y := x + (1.-0.3)*0.5
expect := x / y //nolint: ifshort // not using short syntax for readability
// Prior probability to be B.
PriorProbToB := 0.3
// Prior probability to be B if the previous was A.
PriorProbFromAtoB := 0.4
// Prior probability not to be B if the previous was A.
PriorProbNotFromAtoB := 0.5
actual := theorem.Bayes(PriorProbToB, PriorProbFromAtoB, PriorProbNotFromAtoB)
if expect == actual {
fmt.Println("OK")
}
}
Output: OK
Types ¶
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