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from fugue import transform | |
import pandas as pd | |
schema = """Model:str, Accuracy:float, AUC:float, Recall:float, Prec:float, | |
F1:float, Kappa:float, MCC:float, TT_Sec:float""" | |
def wrapper(df: pd.DataFrame) -> pd.DataFrame: | |
clf = setup(data = df, | |
target = 'Survived', | |
session_id=123, |
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import fugue_spark | |
schema = """Model:str, Accuracy:float, AUC:float, Recall:float, Prec:float, | |
F1:float, Kappa:float, MCC:float, TT_Sec:float, Sex:str""" | |
def wrapper(df: pd.DataFrame) -> pd.DataFrame: | |
clf = setup(data = df, | |
target = 'Survived', | |
session_id=123, | |
silent = True, |
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df = df.drop(["Name", "PassengerId", "Ticket", "Cabin"], axis = 1) | |
df["Sex"] = pd.factorize(df["Sex"])[0] | |
dummy = pd.get_dummies(df['Embarked'], prefix='Cabin') | |
df = pd.concat([df.drop("Embarked", axis=1), dummy], axis = 1) |
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from sklearn.model_selection import train_test_split | |
y = df["Survived"] | |
X = df.drop("Survived", axis = 1) | |
X_train, X_test, y_train, y_test = train_test_split(X, y, | |
test_size=0.2, | |
random_state=42) | |
# fill age variable | |
fill_age = X_train["Age"].mean() |
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from typing import Any | |
from sklearn.linear_model import LogisticRegression | |
def train_model(model: Any, X_train, X_test, y_train, y_test): | |
clf = model.fit(X_train, y_train) | |
y_pred = clf.predict(X_test) | |
acc = accuracy_score(y_test, y_pred) | |
return {"model": model.__class__.__name__, "params": model.get_params(), "accuracy": acc} | |
train_model(LogisticRegression(), X_train, X_test, y_train, y_test) |
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from sklearn.neighbors import KNeighborsClassifier | |
train_model(KNeighborsClassifier(), X_train, X_test, y_train, y_test) |
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from prefect import task | |
@task(nout=4) | |
def create_data(): | |
df = get_data("titanic") | |
df = df.drop(["Name", "PassengerId", "Ticket", "Cabin"], axis = 1) | |
df["Sex"] = pd.factorize(df["Sex"])[0] | |
dummy = pd.get_dummies(df['Embarked'], prefix='Cabin') | |
df = pd.concat([df.drop("Embarked", axis=1), dummy], axis = 1) | |
y = df["Survived"] |
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from sklearn.linear_model import LogisticRegression | |
from sklearn.neighbors import KNeighborsClassifier | |
from sklearn.tree import DecisionTreeClassifier | |
from sklearn.svm import SVC | |
from sklearn.ensemble import RandomForestClassifier | |
@task | |
def get_models(): | |
return [LogisticRegression(random_state=42), | |
KNeighborsClassifier(), DecisionTreeClassifier(), SVC(), |
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@task | |
def train_model(model: Any, X_train, X_test, y_train, y_test): | |
clf = model.fit(X_train, y_train) | |
y_pred = clf.predict(X_test) | |
acc = accuracy_score(y_test, y_pred) | |
return {"model": model.__class__.__name__, | |
"params": model.get_params(), | |
"accuracy": acc} |
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import prefect | |
@task | |
def get_results(results): | |
res = pd.DataFrame(results) | |
prefect.context.logger.info(res) | |
return res |