2022-04-03 19:39:46 +02:00
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import pandas as pd
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from sklearn.model_selection import train_test_split
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2022-04-23 16:47:43 +02:00
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from sklearn.preprocessing import StandardScaler, MinMaxScaler, OneHotEncoder
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2022-04-03 19:39:46 +02:00
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2022-04-03 20:17:21 +02:00
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cols = list(pd.read_csv("data/avocado.csv", nrows=1))
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2022-04-03 19:39:46 +02:00
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# print("###\n", cols, "\n###")
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2022-04-23 16:47:43 +02:00
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avocados = pd.read_csv(
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"data/avocado.csv").rename(columns={"Unnamed: 0": 'Week'})
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2022-04-03 19:39:46 +02:00
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avocados.describe(include="all")
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2022-04-23 16:47:43 +02:00
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# * columns containing float values to
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float_cols = ['AveragePrice', 'Total Volume', '4046', '4225',
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'4770', 'Total Bags', 'Small Bags', 'Large Bags', 'XLarge Bags']
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avocados.loc[:, float_cols] = StandardScaler(
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).fit_transform(avocados.loc[:, float_cols])
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enc = OneHotEncoder(handle_unknown='ignore')
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encoded_region = enc.fit_transform(
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avocados['region'].to_numpy().reshape(-1, 1)).toarray()
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encoded_region_frame = pd.DataFrame(
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encoded_region, columns=enc.get_feature_names_out())
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encoded_types = enc.fit_transform(
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avocados['type'].to_numpy().reshape(-1, 1)).toarray()
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encoded_types_frame = pd.DataFrame(
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encoded_types, columns=enc.get_feature_names_out())
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avocados = pd.concat([avocados, encoded_types_frame, encoded_region_frame], axis=1).drop(
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['type', 'region', 'Date'], axis=1)
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2022-04-03 19:39:46 +02:00
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print(avocados.head())
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# avocados.loc[:, float_cols] = MinMaxScaler().fit_transform(avocados.loc[:, float_cols])
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# print(avocados.head())
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2022-04-23 16:47:43 +02:00
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avocado_train, avocado_test = train_test_split(
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avocados, test_size=2000, random_state=3337)
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avocado_train, avocado_valid = train_test_split(
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avocado_train, test_size=2249, random_state=3337)
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2022-04-03 19:39:46 +02:00
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print("Train\n", avocado_train.describe(include="all"), "\n")
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print("Valid\n", avocado_valid.describe(include="all"), "\n")
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print("Test\n", avocado_test.describe(include="all"))
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2022-04-03 20:17:21 +02:00
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avocado_train.to_csv("data/avocado.data.train", index=False)
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avocado_valid.to_csv("data/avocado.data.valid", index=False)
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avocado_test.to_csv("data/avocado.data.test", index=False)
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