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PN-validation_LC-plotter_v1.py
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import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
from matplotlib import rc
from matplotlib.lines import Line2D
# imports the output file from PN_Predictions_2_table.py
df_data = pd.read_csv(
'/Users/philippnoodt/Jobs_Bewerbungen/IMA/Python/AL_Kunststoff/2019-03-12/results.csv', header=None)
lenDataset = 392 # manual input! lenth of the original dataset: arr_data.shape[0] in PN_Predictions_2_table.py
data = np.asarray(df_data)[:, 1:]
splits = data[0, :-2]
sams = np.round(splits * lenDataset * 0.9)
def plot_learning_curve_rmse(data):
train_sizes = sams
# [4, 6, 9, 14, 20, 31, 46, 69, 103, 155, 233, 350, 525]
plt.xlabel('Number of samples inluded in training set\ndataset size: 392 samples', labelpad=10)
print('train sizes: ', train_sizes)
print('done: learning_curve() calculations')
# --------> MCS RR <------------------
mcs_rr_mean = data[1, :-2]
plt.plot(train_sizes, mcs_rr_mean, '.-', linestyle='--', color='maroon')
# --------> LHS RR <------------------
# lhs_rr_mean = data[4, :-2]
# plt.plot(train_sizes, lhs_rr_mean, '.-', color='maroon')
# --------> QBC RR <------------------
qbc_rr_mean = data[7, :-2]
plt.plot(train_sizes, qbc_rr_mean, '.-', linestyle='-.', color='maroon')
# --------> CCD RR <------------------
# plt.scatter(data[0, -1], data[5, -1], color='maroon', marker='*', s=50)
# --------> MCS MLP <------------------
mcs_mlp_mean = data[2, :-2]
plt.plot(train_sizes, mcs_mlp_mean, '.-', linestyle='--', color='lightseagreen')
# --------> LHS MLP <------------------
# lhs_mlp_mean = data[5, :-2]
# plt.plot(train_sizes, lhs_mlp_mean, '.-', color='lightseagreen')
# --------> QBC MLP <------------------
qbc_mlp_mean = data[8, :-2]
plt.plot(train_sizes, qbc_mlp_mean, '.-', linestyle='-.', color='lightseagreen')
# --------> CCD MLP <------------------
# plt.scatter(data[0, -1], data[1, -1], color='lightseagreen', marker='*', s=50)
# --------> MCS XGB <------------------
mcs_xbg_mean = data[3, :-2]
plt.plot(train_sizes, mcs_xbg_mean, '.-', linestyle='--', color='peru')
# --------> LHS XGB <------------------
# lhs_xgb_mean = data[6, :-2]
# plt.plot(train_sizes, lhs_xgb_mean, '.-', color='peru')
# --------> QBC XGB <------------------
qbc_xbg_mean = data[9, :-2]
plt.plot(train_sizes, qbc_xbg_mean, '.-', linestyle='-.', color='peru')
# --------> CCD XGB <------------------
#plt.scatter(data[0, -1], data[3, -1], color='peru', marker='*', s=50)
marks = [Line2D([0], [0], color='maroon', lw=3, label='Ridge Regression'),
Line2D([0], [0], color='lightseagreen', lw=3, label='Multi-layer Perceptron'),
Line2D([0], [0], color='peru', lw=3, label='XGBoost'),
Line2D([0], [0], color='black', linestyle='--', lw=1, label='Monte Carlo Sampling'),
Line2D([0], [0], color='black', linestyle='-.', lw=1, label='Query By Committee')
# Line2D([0], [0], color='black', lw=1, label='Latin Hypercube Sampling'),
# Line2D([0], [0], color='black', linestyle='--', lw=0, marker='*', label='Central Composite Design')
]
'''
if doc != 1:
# --------> BBD RR <------------------
plt.scatter(data[0, -2], data[5, -2], color='maroon', marker='v', s=50)
# --------> BBD MLP <------------------
plt.scatter(data[0, -2], data[1, -2], color='lightseagreen', marker='v', s=50)
# --------> BBD XGB <------------------
plt.scatter(data[0, -2], data[3, -2], color='peru', marker='v', s=50)
marks = [Line2D([0], [0], color='maroon', lw=3, label='Ridge Regression'),
Line2D([0], [0], color='lightseagreen', lw=3, label='Multi-layer Perceptron'),
Line2D([0], [0], color='peru', lw=3, label='XGBoost'),
Line2D([0], [0], color='black', linestyle='--', lw=1, label='Monte Carlo Sampling'),
Line2D([0], [0], color='black', lw=1, label='Latin Hypercube Sampling'),
#Line2D([0], [0], color='black', linestyle='--', lw=0, marker='v', label='Box-Behnken Design'),
Line2D([0], [0], color='black', linestyle='-.', lw=1, label='Query By Committee')]
'''
plt.legend(handles=marks, loc='best')
plt.ylabel('RMSE', labelpad=10)
#plt.xscale('log')
plt.xticks(train_sizes, train_sizes)
return plt
def plot_learning_curve_std(data):
train_sizes = sams
# [4, 6, 9, 14, 20, 31, 46, 69, 103, 155, 233, 350, 525]
plt.xlabel('Number of samples inluded in training set\ndataset size: 392 samples', labelpad=10)
print('train sizes: ', train_sizes)
print('done: learning_curve() calculations')
# --------> MCS RR <------------------
mcs_rr_mean = data[10, :-2]
plt.plot(train_sizes, mcs_rr_mean, '.-', linestyle='--', color='maroon')
# --------> LHS RR <------------------
# lhs_rr_mean = data[4, :-2]
# plt.plot(train_sizes, lhs_rr_mean, '.-', color='maroon')
# --------> QBC RR <------------------
qbc_rr_mean = data[16, :-2]
plt.plot(train_sizes, qbc_rr_mean, '.-', linestyle='-.', color='maroon')
# --------> CCD RR <------------------
# plt.scatter(data[0, -1], data[5, -1], color='maroon', marker='*', s=50)
# --------> MCS MLP <------------------
mcs_mlp_mean = data[11, :-2]
plt.plot(train_sizes, mcs_mlp_mean, '.-', linestyle='--', color='lightseagreen')
# --------> LHS MLP <------------------
# lhs_mlp_mean = data[5, :-2]
# plt.plot(train_sizes, lhs_mlp_mean, '.-', color='lightseagreen')
# --------> QBC MLP <------------------
qbc_mlp_mean = data[17, :-2]
plt.plot(train_sizes, qbc_mlp_mean, '.-', linestyle='-.', color='lightseagreen')
# --------> CCD MLP <------------------
# plt.scatter(data[0, -1], data[1, -1], color='lightseagreen', marker='*', s=50)
# --------> MCS XGB <------------------
mcs_xbg_mean = data[12, :-2]
plt.plot(train_sizes, mcs_xbg_mean, '.-', linestyle='--', color='peru')
# --------> LHS XGB <------------------
# lhs_xgb_mean = data[6, :-2]
# plt.plot(train_sizes, lhs_xgb_mean, '.-', color='peru')
# --------> QBC XGB <------------------
qbc_xbg_mean = data[18, :-2]
plt.plot(train_sizes, qbc_xbg_mean, '.-', linestyle='-.', color='peru')
# --------> CCD XGB <------------------
#plt.scatter(data[0, -1], data[3, -1], color='peru', marker='*', s=50)
marks = [Line2D([0], [0], color='maroon', lw=3, label='Ridge Regression'),
Line2D([0], [0], color='lightseagreen', lw=3, label='Multi-layer Perceptron'),
Line2D([0], [0], color='peru', lw=3, label='XGBoost'),
Line2D([0], [0], color='black', linestyle='--', lw=1, label='Monte Carlo Sampling'),
Line2D([0], [0], color='black', linestyle='-.', lw=1, label='Query By Committee')
# Line2D([0], [0], color='black', lw=1, label='Latin Hypercube Sampling'),
# Line2D([0], [0], color='black', linestyle='--', lw=0, marker='*', label='Central Composite Design')
]
plt.legend(handles=marks, loc='best')
plt.ylabel('STD of RMSEs', labelpad=10)
#plt.xscale('log')
plt.xticks(train_sizes, train_sizes)
return plt
def plot_learning_curve_r2(data):
train_sizes = sams
# [4, 6, 9, 14, 20, 31, 46, 69, 103, 155, 233, 350, 525]
plt.xlabel('Number of samples inluded in training set\ndataset size: 392 samples', labelpad=10)
print('train sizes: ', train_sizes)
print('done: learning_curve() calculations')
# --------> MCS RR <------------------
mcs_rr_mean = data[19, :-2]
plt.plot(train_sizes, mcs_rr_mean, '.-', linestyle='--', color='maroon')
# --------> LHS RR <------------------
# lhs_rr_mean = data[4, :-2]
# plt.plot(train_sizes, lhs_rr_mean, '.-', color='maroon')
# --------> QBC RR <------------------
qbc_rr_mean = data[25, :-2]
plt.plot(train_sizes, qbc_rr_mean, '.-', linestyle='-.', color='maroon')
# --------> CCD RR <------------------
# plt.scatter(data[0, -1], data[5, -1], color='maroon', marker='*', s=50)
# --------> MCS MLP <------------------
mcs_mlp_mean = data[20, :-2]
plt.plot(train_sizes, mcs_mlp_mean, '.-', linestyle='--', color='lightseagreen')
# --------> LHS MLP <------------------
# lhs_mlp_mean = data[5, :-2]
# plt.plot(train_sizes, lhs_mlp_mean, '.-', color='lightseagreen')
# --------> QBC MLP <------------------
qbc_mlp_mean = data[26, :-2]
plt.plot(train_sizes, qbc_mlp_mean, '.-', linestyle='-.', color='lightseagreen')
# --------> CCD MLP <------------------
# plt.scatter(data[0, -1], data[1, -1], color='lightseagreen', marker='*', s=50)
# --------> MCS XGB <------------------
mcs_xbg_mean = data[21, :-2]
plt.plot(train_sizes, mcs_xbg_mean, '.-', linestyle='--', color='peru')
# --------> LHS XGB <------------------
# lhs_xgb_mean = data[6, :-2]
# plt.plot(train_sizes, lhs_xgb_mean, '.-', color='peru')
# --------> QBC XGB <------------------
qbc_xbg_mean = data[27, :-2]
plt.plot(train_sizes, qbc_xbg_mean, '.-', linestyle='-.', color='peru')
# --------> CCD XGB <------------------
#plt.scatter(data[0, -1], data[3, -1], color='peru', marker='*', s=50)
marks = [Line2D([0], [0], color='maroon', lw=3, label='Ridge Regression'),
Line2D([0], [0], color='lightseagreen', lw=3, label='Multi-layer Perceptron'),
Line2D([0], [0], color='peru', lw=3, label='XGBoost'),
Line2D([0], [0], color='black', linestyle='--', lw=1, label='Monte Carlo Sampling'),
Line2D([0], [0], color='black', linestyle='-.', lw=1, label='Query By Committee')
# Line2D([0], [0], color='black', lw=1, label='Latin Hypercube Sampling'),
# Line2D([0], [0], color='black', linestyle='--', lw=0, marker='*', label='Central Composite Design')
]
plt.legend(handles=marks, loc='best')
plt.ylabel('R2 score [-]', labelpad=10)
#plt.xscale('log')
plt.xticks(train_sizes, train_sizes)
return plt
# --------> PLOTS <------------------
# plt.style.use('seaborn-dark') # plt.style.use('seaborn-white')
rc('font', **{'family': 'serif', 'serif': ['Computer Modern'], 'size': '13'})
rc('text', usetex=True)
fig1 = plt.figure(figsize=(10, 6))
plt.subplots_adjust(left=0.1, right=0.95, top=0.9, bottom=0.16)
plot_learning_curve_rmse(data)
plt.title('RMSE')
plt.xlabel('Number of samples inluded in training set\ndataset size: 392 samples, bootstrap=True', labelpad=10)
#plt.xscale('log')
#plt.xlim([5, 360])
plt.xticks([9, 54, 99, 153, 198, 252, 297, 351], [9, 54, 99, 153, 198, 252, 297, 351])
plt.ylim([-0.2, 5.2])
plt.grid()
# fig1.savefig('AUTO_MPG_RMSE_5test5train.png', dpi=300)
fig2 = plt.figure(figsize=(10, 6))
plt.subplots_adjust(left=0.1, right=0.95, top=0.9, bottom=0.16)
plot_learning_curve_std(data)
plt.title('Standard deviation of RMSEs')
plt.xlabel('Number of samples inluded in training set\ndataset size: 392 samples, bootstrap=True', labelpad=10)
#plt.xscale('log')
#plt.xlim([5, 360])
plt.xticks([9, 54, 99, 153, 198, 252, 297, 351], [9, 54, 99, 153, 198, 252, 297, 351])
#plt.ylim([0, 0.085])
plt.grid()
# fig2.savefig('AUTO_MPG_STD_5test5train.png', dpi=300)
fig3 = plt.figure(figsize=(10, 6))
plt.subplots_adjust(left=0.1, right=0.95, top=0.9, bottom=0.16)
plot_learning_curve_r2(data)
plt.title('R2 score')
plt.xlabel('Number of samples inluded in training set\ndataset size: 392 samples, bootstrap=True', labelpad=10)
#plt.xscale('log')
#plt.xlim([5, 360])
plt.xticks([9, 54, 99, 153, 198, 252, 297, 351], [9, 54, 99, 153, 198, 252, 297, 351])
plt.ylim([-0.25, 1])
plt.grid()
# fig3.savefig('AUTO_MPG_R2_5test5train.png', dpi=300)
plt.show()