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exp.py
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exp.py
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import os
import argparse
import numpy as np
import sys
sys.path.append('src/')
from dataset import Dataset
from miaseg import MIASEG
from morfessor_model import MorfessorModel
from tr_reader import TrReader
class Exp:
def __init__(self, path: str, res_path: str, model_builder, num_train: int, num_seeds: int) -> None:
'''
path: a path to the data
'''
self.model_builder = model_builder
self.num_train = num_train
self.num_seeds = num_seeds
# make paths relative
self.path = f'{path}'
self.res_path = f'{res_path}'
def load_results(self):
'''
Load results
'''
self.Ps = list()
self.Rs = list()
self.f1s = list()
self.accs = list()
for seed in range(self.num_seeds):
with open(f'{self.res_path}/{seed}_P.txt', 'r') as f:
P = float(f.readlines()[0].strip())
self.Ps.append(P)
with open(f'{self.res_path}/{seed}_R.txt', 'r') as f:
R = float(f.readlines()[0].strip())
self.Rs.append(R)
with open(f'{self.res_path}/{seed}_f1.txt', 'r') as f:
f1 = float(f.readlines()[0].strip())
self.f1s.append(f1)
with open(f'{self.res_path}/{seed}_acc.txt', 'r') as f:
acc = float(f.readlines()[0].strip())
self.accs.append(acc)
def run(self, overwrite=True):
# build results dir
if overwrite and os.path.exists(self.res_path):
os.system(f'rm -r {self.res_path}')
if not os.path.exists(self.res_path):
os.makedirs(self.res_path)
ds = Dataset(path=self.path)
for seed in range(self.num_seeds):
if not overwrite and os.path.exists(f'{self.res_path}/{seed}_acc.txt'):
continue
print(f'Running seed {seed}')
split = ds.build_train(seed=seed, size=self.num_train)
# build model
model = self.model_builder()
# train model
model.train(split=split)
# eval model
precision, recall, f1, acc, errs = model.evaluate(split, return_errors=True)
self.write(seed, precision, recall, f1, acc, errs)
print(f'Acc: {round(acc, 3)} F1: {round(f1, 3)}')
return self
def write(self, seed, precision, recall, f1, acc, errs):
with open(f'{self.res_path}/{seed}_P.txt', 'w') as f:
f.write(f'{precision}\n')
with open(f'{self.res_path}/{seed}_R.txt', 'w') as f:
f.write(f'{recall}\n')
with open(f'{self.res_path}/{seed}_f1.txt', 'w') as f:
f.write(f'{f1}\n')
with open(f'{self.res_path}/{seed}_acc.txt', 'w') as f:
f.write(f'{acc}\n')
with open(f'{self.res_path}/{seed}_errs.txt', 'w') as f:
f.write('seg\tpred_seg\t\n')
for seg, pred_seg in errs:
f.write(f'{seg}\t{pred_seg}\n')
def print_res(self):
self.load_results()
for metric, res in zip(
['P', 'R', 'f1', 'Acc'],
[self.Ps, self.Rs, self.f1s, self.accs]
):
m = format(np.mean(res), '0.4f')
v = format(np.std(res), '0.2f')
print(f'{metric}: ${m} \pm {v}$')
if __name__ == '__main__':
parser = argparse.ArgumentParser()
exp_name_opts = 'hun|mon|fin|tur'
model_name_opts = 'miaseg|morfessor|transformer'
parser.add_argument('--exp_name', '-e', type=str, required=True, help=exp_name_opts)
parser.add_argument('--model', '-m', type=str, required=True, help=model_name_opts)
parser.add_argument('--num_train', '-num_train', type=int, required=False, default=None)
parser.add_argument('--num_seeds', '-seeds', type=int, required=False, default=10)
args = parser.parse_args()
if args.exp_name not in exp_name_opts.split('|'):
raise ValueError(f'Experiment name must be one of {exp_name_opts}')
if args.model == 'miaseg':
model_builder = lambda: MIASEG()
elif args.model == 'morfessor':
model_builder = lambda: MorfessorModel()
elif args.model == 'transformer':
model_builder = lambda: TrReader()
else:
raise ValueError(f'Model must be one of {model_name_opts}')
path = f'data/{args.exp_name}/nouns.txt'
if args.num_train:
res_path = f'results/{args.exp_name}/{args.num_train}/{args.model}'
model = Exp(
path=path,
res_path=res_path,
model_builder=model_builder,
num_train=args.num_train,
num_seeds=args.num_seeds
).run()
else:
for num_train in [500, 1000, 10000]:
res_path = f'results/{args.exp_name}/{num_train}/{args.model}'
model = Exp(
path=path,
res_path=res_path,
model_builder=model_builder,
num_train=num_train,
num_seeds=args.num_seeds
).run()