|
Last change
on this file since 1303 was
1185,
checked in by Maciej Komosinski, 2 years ago
|
|
Renamed a module; new name is "evolalg_steps"
|
|
File size:
913 bytes
|
| Line | |
|---|
| 1 | from deap import tools |
|---|
| 2 | |
|---|
| 3 | from evolalg_steps.statistics.statistics import Statistics |
|---|
| 4 | |
|---|
| 5 | |
|---|
| 6 | class StatisticsDeap(Statistics): |
|---|
| 7 | def __init__(self, stats, extract_fn=lambda ind: ind.fitness, verbose=True, *args, **kwargs): |
|---|
| 8 | super(StatisticsDeap, self).__init__(*args, **kwargs) |
|---|
| 9 | self.stats = tools.Statistics(extract_fn) |
|---|
| 10 | for name, fn in stats: |
|---|
| 11 | self.stats.register(name, fn) |
|---|
| 12 | |
|---|
| 13 | self.logbook = tools.Logbook() |
|---|
| 14 | self.logbook.header = ['gen'] + (self.stats.fields if self.stats else []) |
|---|
| 15 | |
|---|
| 16 | self.gen = 0 |
|---|
| 17 | self.verbose = verbose |
|---|
| 18 | |
|---|
| 19 | def init(self): |
|---|
| 20 | self.gen = 0 |
|---|
| 21 | |
|---|
| 22 | def collect(self, population): |
|---|
| 23 | record = self.stats.compile(population) |
|---|
| 24 | self.logbook.record(gen=self.gen, **record) |
|---|
| 25 | self.gen += 1 |
|---|
| 26 | if self.verbose: |
|---|
| 27 | print(self.logbook.stream) |
|---|
| 28 | |
|---|
| 29 | def compile(self, data): |
|---|
| 30 | return self.stats.compile(data) |
|---|
| 31 | |
|---|
| 32 | |
|---|
Note: See
TracBrowser
for help on using the repository browser.
