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349 lines
10 KiB
Python
349 lines
10 KiB
Python
from abc import ABC, abstractmethod
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from datetime import date
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from importlib import import_module
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import pickle
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from toxicity_ml_pipeline.settings.default_settings_tox import (
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CLIENT,
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EXISTING_TASK_VERSIONS,
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GCS_ADDRESS,
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TRAINING_DATA_LOCATION,
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)
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from toxicity_ml_pipeline.utils.helpers import execute_command, execute_query
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from toxicity_ml_pipeline.utils.queries import (
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FULL_QUERY,
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FULL_QUERY_W_TWEET_TYPES,
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PARSER_UDF,
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QUERY_SETTINGS,
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)
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import numpy as np
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import pandas
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class DataframeLoader(ABC):
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def __init__(self, project):
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self.project = project
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@abstractmethod
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def produce_query(self):
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pass
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@abstractmethod
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def load_data(self, test=False):
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pass
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class ENLoader(DataframeLoader):
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def __init__(self, project, setting_file):
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super(ENLoader, self).__init__(project=project)
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self.date_begin = setting_file.DATE_BEGIN
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self.date_end = setting_file.DATE_END
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TASK_VERSION = setting_file.TASK_VERSION
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if TASK_VERSION not in EXISTING_TASK_VERSIONS:
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raise ValueError
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self.task_version = TASK_VERSION
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self.query_settings = dict(QUERY_SETTINGS)
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self.full_query = FULL_QUERY
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def produce_query(self, date_begin, date_end, task_version=None, **keys):
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task_version = self.task_version if task_version is None else task_version
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if task_version in keys["table"]:
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table_name = keys["table"][task_version]
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print(f"Loading {table_name}")
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main_query = keys["main"].format(
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table=table_name,
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parser_udf=PARSER_UDF[task_version],
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date_begin=date_begin,
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date_end=date_end,
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)
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return self.full_query.format(
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main_table_query=main_query, date_begin=date_begin, date_end=date_end
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)
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return ""
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def _reload(self, test, file_keyword):
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query = f"SELECT * from `{TRAINING_DATA_LOCATION.format(project=self.project)}_{file_keyword}`"
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if test:
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query += " ORDER BY RAND() LIMIT 1000"
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try:
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df = execute_query(client=CLIENT, query=query)
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except Exception:
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print(
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"Loading from BQ failed, trying to load from GCS. "
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"NB: use this option only for intermediate files, which will be deleted at the end of "
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"the project."
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)
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copy_cmd = f"gsutil cp {GCS_ADDRESS.format(project=self.project)}/training_data/{file_keyword}.pkl ."
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execute_command(copy_cmd)
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try:
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with open(f"{file_keyword}.pkl", "rb") as file:
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df = pickle.load(file)
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except Exception:
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return None
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if test:
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df = df.sample(frac=1)
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return df.iloc[:1000]
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return df
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def load_data(self, test=False, **kwargs):
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if "reload" in kwargs and kwargs["reload"]:
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df = self._reload(test, kwargs["reload"])
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if df is not None and df.shape[0] > 0:
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return df
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df = None
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query_settings = self.query_settings
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if test:
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query_settings = {"fairness": self.query_settings["fairness"]}
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query_settings["fairness"]["main"] += " LIMIT 500"
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for table, query_info in query_settings.items():
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curr_query = self.produce_query(
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date_begin=self.date_begin, date_end=self.date_end, **query_info
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)
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if curr_query == "":
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continue
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curr_df = execute_query(client=CLIENT, query=curr_query)
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curr_df["origin"] = table
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df = curr_df if df is None else pandas.concat((df, curr_df))
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df["loading_date"] = date.today()
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df["date"] = pandas.to_datetime(df.date)
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return df
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def load_precision_set(
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self, begin_date="...", end_date="...", with_tweet_types=False, task_version=3.5
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):
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if with_tweet_types:
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self.full_query = FULL_QUERY_W_TWEET_TYPES
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query_settings = self.query_settings
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curr_query = self.produce_query(
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date_begin=begin_date,
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date_end=end_date,
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task_version=task_version,
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**query_settings["precision"],
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)
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curr_df = execute_query(client=CLIENT, query=curr_query)
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curr_df.rename(columns={"media_url": "media_presence"}, inplace=True)
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return curr_df
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class ENLoaderWithSampling(ENLoader):
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keywords = {
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"politics": [
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...
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],
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"insults": [
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...
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],
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"race": [
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...
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],
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}
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n = ...
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N = ...
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def __init__(self, project):
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self.raw_loader = ENLoader(project=project)
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if project == ...:
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self.project = project
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else:
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raise ValueError
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def sample_with_weights(self, df, n):
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w = df["label"].value_counts(normalize=True)[1]
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dist = np.full((df.shape[0],), w)
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sampled_df = df.sample(n=n, weights=dist, replace=False)
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return sampled_df
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def sample_keywords(self, df, N, group):
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print("\nmatching", group, "keywords...")
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keyword_list = self.keywords[group]
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match_df = df.loc[df.text.str.lower().str.contains("|".join(keyword_list), regex=True)]
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print("sampling N/3 from", group)
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if match_df.shape[0] <= N / 3:
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print(
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"WARNING: Sampling only",
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match_df.shape[0],
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"instead of",
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N / 3,
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"examples from race focused tweets due to insufficient data",
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)
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sample_df = match_df
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else:
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print(
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"sampling",
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group,
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"at",
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round(match_df["label"].value_counts(normalize=True)[1], 3),
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"% action rate",
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)
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sample_df = self.sample_with_weights(match_df, int(N / 3))
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print(sample_df.shape)
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print(sample_df.label.value_counts(normalize=True))
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print("\nshape of df before dropping sampled rows after", group, "matching..", df.shape[0])
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df = df.loc[
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df.index.difference(sample_df.index),
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]
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print("\nshape of df after dropping sampled rows after", group, "matching..", df.shape[0])
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return df, sample_df
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def sample_first_set_helper(self, train_df, first_set, new_n):
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if first_set == "prev":
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fset = train_df.loc[train_df["origin"].isin(["prevalence", "causal prevalence"])]
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print(
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"sampling prev at", round(fset["label"].value_counts(normalize=True)[1], 3), "% action rate"
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)
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else:
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fset = train_df
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n_fset = self.sample_with_weights(fset, new_n)
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print("len of sampled first set", n_fset.shape[0])
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print(n_fset.label.value_counts(normalize=True))
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return n_fset
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def sample(self, df, first_set, second_set, keyword_sampling, n, N):
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train_df = df[df.origin != "precision"]
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val_test_df = df[df.origin == "precision"]
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print("\nsampling first set of data")
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new_n = n - N if second_set is not None else n
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n_fset = self.sample_first_set_helper(train_df, first_set, new_n)
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print("\nsampling second set of data")
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train_df = train_df.loc[
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train_df.index.difference(n_fset.index),
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]
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if second_set is None:
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print("no second set sampling being done")
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df = n_fset.append(val_test_df)
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return df
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if second_set == "prev":
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sset = train_df.loc[train_df["origin"].isin(["prevalence", "causal prevalence"])]
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elif second_set == "fdr":
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sset = train_df.loc[train_df["origin"] == "fdr"]
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else:
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sset = train_df
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if keyword_sampling == True:
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print("sampling based off of keywords defined...")
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print("second set is", second_set, "with length", sset.shape[0])
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sset, n_politics = self.sample_keywords(sset, N, "politics")
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sset, n_insults = self.sample_keywords(sset, N, "insults")
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sset, n_race = self.sample_keywords(sset, N, "race")
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n_sset = n_politics.append([n_insults, n_race])
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print("len of sampled second set", n_sset.shape[0])
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else:
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print(
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"No keyword sampling. Instead random sampling from",
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second_set,
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"at",
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round(sset["label"].value_counts(normalize=True)[1], 3),
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"% action rate",
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)
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n_sset = self.sample_with_weights(sset, N)
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print("len of sampled second set", n_sset.shape[0])
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print(n_sset.label.value_counts(normalize=True))
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df = n_fset.append([n_sset, val_test_df])
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df = df.sample(frac=1).reset_index(drop=True)
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return df
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def load_data(
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self, first_set="prev", second_set=None, keyword_sampling=False, test=False, **kwargs
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):
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n = kwargs.get("n", self.n)
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N = kwargs.get("N", self.N)
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df = self.raw_loader.load_data(test=test, **kwargs)
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return self.sample(df, first_set, second_set, keyword_sampling, n, N)
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class I18nLoader(DataframeLoader):
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def __init__(self):
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super().__init__(project=...)
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from archive.settings.... import ACCEPTED_LANGUAGES, QUERY_SETTINGS
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self.accepted_languages = ACCEPTED_LANGUAGES
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self.query_settings = dict(QUERY_SETTINGS)
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def produce_query(self, language, query, dataset, table, lang):
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query = query.format(dataset=dataset, table=table)
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add_query = f"AND reviewed.{lang}='{language}'"
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query += add_query
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return query
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def query_keys(self, language, task=2, size="50"):
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if task == 2:
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if language == "ar":
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self.query_settings["adhoc_v2"]["table"] = "..."
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elif language == "tr":
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self.query_settings["adhoc_v2"]["table"] = "..."
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elif language == "es":
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self.query_settings["adhoc_v2"]["table"] = f"..."
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else:
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self.query_settings["adhoc_v2"]["table"] = "..."
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return self.query_settings["adhoc_v2"]
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if task == 3:
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return self.query_settings["adhoc_v3"]
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raise ValueError(f"There are no other tasks than 2 or 3. {task} does not exist.")
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def load_data(self, language, test=False, task=2):
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if language not in self.accepted_languages:
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raise ValueError(
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f"Language not in the data {language}. Accepted values are " f"{self.accepted_languages}"
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)
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print(".... adhoc data")
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key_dict = self.query_keys(language=language, task=task)
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query_adhoc = self.produce_query(language=language, **key_dict)
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if test:
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query_adhoc += " LIMIT 500"
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adhoc_df = execute_query(CLIENT, query_adhoc)
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if not (test or language == "tr" or task == 3):
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if language == "es":
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print(".... additional adhoc data")
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key_dict = self.query_keys(language=language, size="100")
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query_adhoc = self.produce_query(language=language, **key_dict)
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adhoc_df = pandas.concat(
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(adhoc_df, execute_query(CLIENT, query_adhoc)), axis=0, ignore_index=True
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)
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print(".... prevalence data")
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query_prev = self.produce_query(language=language, **self.query_settings["prevalence_v2"])
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prev_df = execute_query(CLIENT, query_prev)
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prev_df["description"] = "Prevalence"
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adhoc_df = pandas.concat((adhoc_df, prev_df), axis=0, ignore_index=True)
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return self.clean(adhoc_df)
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