Source code for asreview.query_strategies.random

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"""Random sampling strategy."""

import numpy as np

from asreview.query_strategies.base import NotProbaQueryStrategy
from asreview.utils import get_random_state


[docs]class RandomQuery(NotProbaQueryStrategy): "Random sampling query strategy." name = "random" def __init__(self, random_state=None): super(RandomQuery, self).__init__() self._random_state = get_random_state(random_state) def _query(self, X, pool_idx, n_instances=1): n_samples = len(pool_idx) query_idx = self._random_state.choice( np.arange(n_samples), n_instances, replace=False ) return pool_idx[query_idx], X[pool_idx[query_idx]]