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seaborn-analyzer: data visualization of regression, classification and distribution

Project description

seaborn-analyzer

python pypi license

A data analysis and visualization tool using Seaborn library.

https://user-images.githubusercontent.com/59557625/126887193-ceba9bdd-3653-4d58-a916-21dcfe9c38a0.png

Usage

An example of using CustomPairPlot class

from seaborn_analyzer import CustomPairPlot
import seaborn as sns

titanic = sns.load_dataset("titanic")
cp = CustomPairPlot()
cp.pairanalyzer(titanic, hue='survived')
https://user-images.githubusercontent.com/59557625/115889860-4e8bde80-a48f-11eb-826a-cd3c79556a42.png

If you want to know the usage of the other classes, see API Reference and Examples

Requirements

seaborn-analyzer 0.3.6 requires

  • Python >=3.6

  • Numpy >=1.20.3

  • Pandas >=1.2.4

  • Matplotlib >=3.1.3

  • Seaborn >=0.11.1

  • Scipy >=1.6.3

  • Scikit-learn >=0.24.2

  • LightGBM >=3.3.2

Installing seaborn-analyzer

Use pip to install the binary wheels on PyPI

$ pip install seaborn-analyzer

Support

Bugs may be reported at https://github.com/c60evaporator/seaborn-analyzer/issues

API Reference

The following classes and methods are included in seaborn-analyzer

CustomPairPlot class

Method name

Summary

API Documentation

Example

pairanalyzer

Plot pair plot including scatter plot and correlation coefficient matrix simultaneously.

CustomPairPlot.pairanalyzer

example

hist class

Method name

Summary

API Documentation

Example

plot_normality

Plot normality test result and QQ plot.

hist.plot_normality

example

fit_dist

Fit distributions by maximum likelihood estimation and calculate fitting scores.

hist.fit_dist

example

classplot class

Method name

Summary

API Documentation

Example

class_separator_plot

Plot class separation lines of any scikit-learn classifier.

hist.class_separator_plot

example

class_proba_plot

Plot class prediction probability of any scikit-learn classifier.

hist.class_proba_plot

example

plot_roc_curve_multiclass

Plot ROC curve in multiclass classifier.

hist.class_separator_plot

example

roc_plot

Plot ROC curve with cross validation.

hist.class_proba_plot

example

regplot class

Method name

Summary

API Documentation

Example

linear_plot

Plot linear regression line and calculate Pearson correlation coefficient.

regplot.linear_plot

example

regression_pred_true

Plot prediction vs. true scatter plots of any scikit-learn regressor.

regplot.regression_pred_true

example

regression_plot_1d

Plot regression lines of any scikit-learn regressor with 1D explanatory variable.

regplot.regression_plot_1d

example

regression_heat_plot

Plot regression heatmaps of any scikit-learn regressor with 2 to 4D explanatory variables.

regplot.regression_heat_plot

example

average_plot

Plot relationship between one explanatory variable and predicted value by line graph.

regplot.average_plot

example

Examples

CustomPairPlot.pairanalyzer

from seaborn_analyzer import CustomPairPlot
import seaborn as sns
titanic = sns.load_dataset("titanic")
cp = CustomPairPlot()
cp.pairanalyzer(titanic, hue='survived')
https://user-images.githubusercontent.com/59557625/115889860-4e8bde80-a48f-11eb-826a-cd3c79556a42.png

hist.plot_normality

from seaborn_analyzer import hist
from sklearn.datasets import load_boston
import pandas as pd
df = pd.DataFrame(load_boston().data, columns= load_boston().feature_names)
hist.plot_normality(df, x='LSTAT', norm_hist=False, rounddigit=5)
https://user-images.githubusercontent.com/59557625/117275256-cfd46f80-ae98-11eb-9da7-6f6e133846fa.png

hist.fit_dist

from seaborn_analyzer import hist
from sklearn.datasets import load_boston
import pandas as pd
import matplotlib.pyplot as plt
from scipy import stats
df = pd.DataFrame(load_boston().data, columns= load_boston().feature_names)
all_params, all_scores = hist.fit_dist(df, x='LSTAT', dist=['norm', 'gamma', 'lognorm', 'uniform'])
df_scores = pd.DataFrame(all_scores).T
df_scores
https://user-images.githubusercontent.com/59557625/115890066-81ce6d80-a48f-11eb-8390-f985d9e2b8b1.png https://user-images.githubusercontent.com/59557625/115890108-8d219900-a48f-11eb-9896-38f7dedbb6e4.png

classplot.class_separator_plot

import seaborn as sns
from sklearn.svm import SVC
from seaborn_analyzer import classplot
iris = sns.load_dataset("iris")
clf = SVC()
classplot.class_separator_plot(clf, ['petal_width', 'petal_length'], 'species', iris)
https://user-images.githubusercontent.com/59557625/117274234-d7474900-ae97-11eb-9de2-c8a74dc179a5.png

classplot.class_proba_plot

import seaborn as sns
from sklearn.svm import SVC
from seaborn_analyzer import classplot
iris = sns.load_dataset("iris")
clf = SVC()
classplot.class_proba_plot(clf, ['petal_width', 'petal_length'], 'species', iris,
                           proba_type='imshow')
https://user-images.githubusercontent.com/59557625/117276085-a1a35f80-ae99-11eb-8368-cdd1cfa78346.png

classplot.plot_roc_curve_multiclass

import seaborn as sns
from sklearn.svm import SVC
from sklearn.model_selection import train_test_split
import numpy as np
import matplotlib.pyplot as plt
from seaborn_analyzer import classplot
# Load dataset
iris = sns.load_dataset("iris")
OBJECTIVE_VARIALBLE = 'species'  # Objective variable
USE_EXPLANATORY = ['petal_width', 'petal_length', 'sepal_width', 'sepal_length']  # Explantory variables
y = iris[OBJECTIVE_VARIALBLE].values
X = iris[USE_EXPLANATORY].values
# Add random noise features
random_state = np.random.RandomState(0)
n_samples, n_features = X.shape
X = np.c_[X, random_state.randn(n_samples, 10 * n_features)]
# Plot ROC curve in multiclass classification
X_train, X_test, y_train, y_test = train_test_split(X, y, shuffle=True, random_state=42)
estimator = SVC(probability=True, random_state=42)
classplot.plot_roc_curve_multiclass(estimator, X_train, y_train,
                                    X_test=X_test, y_test=y_test)
plt.plot([0, 1], [0, 1], label='Chance', alpha=0.8,
        lw=2, color='red', linestyle='--')
plt.legend(loc='lower right')
https://user-images.githubusercontent.com/59557625/132558369-c6bfee32-156b-4043-bedb-5b1854b00660.png

classplot.roc_plot

from lightgbm import LGBMClassifier
import seaborn as sns
import matplotlib.pyplot as plt
from seaborn_analyzer import classplot
# Load dataset
iris = sns.load_dataset("iris")
OBJECTIVE_VARIALBLE = 'species'  # Objective variable
USE_EXPLANATORY = ['petal_width', 'petal_length', 'sepal_width', 'sepal_length']  # Explantory variables
y = iris[OBJECTIVE_VARIALBLE].values
X = iris[USE_EXPLANATORY].values
fit_params = {'verbose': 0,
            'early_stopping_rounds': 10,
            'eval_metric': 'rmse',
            'eval_set': [(X, y)]
            }
# Plot ROC curve with cross validation in multiclass classification
estimator = LGBMClassifier(random_state=42, n_estimators=10000)
fig, axes = plt.subplots(4, 1, figsize=(6, 24))
classplot.roc_plot(estimator, X, y, ax=axes, cv=3, fit_params=fit_params)
https://user-images.githubusercontent.com/59557625/132708291-99f7bda0-eb24-4fc0-8994-a976d097908e.png

regplot.linear_plot

from seaborn_analyzer import regplot
import seaborn as sns
iris = sns.load_dataset("iris")
regplot.linear_plot(x='petal_length', y='sepal_length', data=iris)
https://user-images.githubusercontent.com/59557625/117276994-65243380-ae9a-11eb-8ec8-fa1fb5d60a55.png

regplot.regression_pred_true

import pandas as pd
from seaborn_analyzer import regplot
import seaborn as sns
from sklearn.linear_model import LinearRegression
df_temp = pd.read_csv(f'./sample_data/temp_pressure.csv')
regplot.regression_pred_true(LinearRegression(), x=['altitude', 'latitude'], y='temperature', data=df_temp)
https://user-images.githubusercontent.com/59557625/117277036-6fdec880-ae9a-11eb-887a-5f8b2a93b0f9.png

regplot.regression_plot_1d

from seaborn_analyzer import regplot
import seaborn as sns
from sklearn.svm import SVR
iris = sns.load_dataset("iris")
regplot.regression_plot_1d(SVR(), x='petal_length', y='sepal_length', data=iris)
https://user-images.githubusercontent.com/59557625/117277075-78cf9a00-ae9a-11eb-835c-01f635754f7b.png

regplot.regression_heat_plot

import pandas as pd
from sklearn.linear_model import LinearRegression
from seaborn_analyzer import regplot
df_temp = pd.read_csv(f'./sample_data/temp_pressure.csv')
regplot.regression_heat_plot(LinearRegression(), x=['altitude', 'latitude'], y='temperature', data=df_temp)
https://user-images.githubusercontent.com/59557625/115955837-1b4f5b00-a534-11eb-91b0-b913019d26ff.png

regplot.average_plot

import seaborn as sns
from sklearn.svm import SVR
from seaborn_analyzer import regplot
iris = sns.load_dataset("iris")
svr = SVR()
features = ['petal_width', 'petal_length', 'sepal_width']
X = iris[features].values
y = iris['sepal_length'].values
regplot.average_plot(svr, X, y, x_colnames=features, cv=3)
https://user-images.githubusercontent.com/59557625/137940484-31f1fec7-012e-4c36-83a8-a1803755caa6.png

Contact

If you have any questions or comments about seaborn-analyzer, please feel free to contact me via eMail: c60evaporator@gmail.com or Twitter: https://twitter.com/c60evaporator This project is hosted at https://github.com/c60evaporator/seaborn-analyzer

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