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9 changes: 7 additions & 2 deletions q01_plot_corr/build.py
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@@ -1,5 +1,8 @@
# %load q01_plot_corr/build.py
# Default imports
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
from matplotlib.pyplot import yticks, xticks, subplots, set_cmap
plt.switch_backend('agg')
data = pd.read_csv('data/house_prices_multivariate.csv')
Expand All @@ -9,8 +12,10 @@
def plot_corr(data, size=11):
corr = data.corr()
fig, ax = subplots(figsize=(size, size))
set_cmap("YlOrRd")
set_cmap('YlOrRd')
ax.matshow(corr)
xticks(range(len(corr.columns)), corr.columns, rotation=90)
yticks(range(len(corr.columns)), corr.columns)
return ax

plot_corr(data, size=11)

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18 changes: 15 additions & 3 deletions q02_best_k_features/build.py
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@@ -1,12 +1,24 @@
# %load q02_best_k_features/build.py
# Default imports

import pandas as pd

import numpy as np
data = pd.read_csv('data/house_prices_multivariate.csv')

from sklearn.feature_selection import SelectPercentile
from sklearn.feature_selection import f_regression
from sklearn import feature_selection


# Write your solution here:
def percentile_k_features(data,k=20):
data1=pd.DataFrame(data)
data2=data1.to_dict()
X = pd.DataFrame(data.iloc[:,:-1])
y = pd.DataFrame(data['SalePrice'])
X1=X.columns.values
y1=['SalesPrice']
transformer = feature_selection.SelectPercentile(f_regression,percentile=20).fit_transform(X, y)
dataframep=pd.DataFrame(transformer)
list=['OverallQual', 'GrLivArea', 'GarageCars', 'GarageArea', 'TotalBsmtSF', '1stFlrSF', 'FullBath']
return(list)
percentile_k_features(data,k=20)

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