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import numpy as np | |
# 共分散行列 | |
# 身長 バスト ウエスト ヒップ 肩 足 体重 | |
cov = np.array([ | |
[25.3009, 0.063088785, 0.087173585, 0.095501117, 4.170708501, 14.37817704, 0.294065688], | |
[0.063088785, 0.004163135, 0.003628662, 0.002353277, 0.034573308, 0.027373251, 0.006175157], | |
[0.087173585, 0.003628662, 0.005121, 0.002843, 0.050031, 0.041155, 0.007291], | |
[0.095501117, 0.002353277, 0.002843, 0.002701, 0.0439, 0.035186, 0.005578], | |
[4.170708501, 0.034573308, 0.050031, 0.0439, 4.4521, 1.936558, 0.110692], | |
[14.37817704, 0.027373251, 0.041155, 0.035186, 1.936558, 12.1801, 0.13921], | |
[0.294065688, 0.006175157, 0.007291, 0.005578, 0.110692, 0.13921, 0.01494] | |
]) | |
# 各項目の平均値 | |
mu = np.array([158.46, 83.45, 62.8, 90.57, 39.23, 70.99, 51.35]) | |
# 対数変換した後の平均値を入れるべき? | |
# mu = np.array([158.46, 4.422166082, 4.137394, 4.504773, 39.23, 70.99, 3.931195]) | |
print( np.random.multivariate_normal(mu, cov, size=10) ) | |
# →multivariate_normalで出てきた値をさらに指数変換する | |
# result | |
# [[157.17653868 83.52152686 62.82307351 90.5356509 37.4999695 | |
# 67.84633902 51.32360976] | |
# [156.40902894 83.62107797 62.94272436 90.678572 38.84426543 | |
# 64.91747625 51.55203028] | |
# [160.8320308 83.47769574 62.7833447 90.58030217 39.30731665 | |
# 74.27452667 51.35459517] | |
# [163.09097556 83.38081934 62.81326899 90.57274512 42.05391359 | |
# 74.87221416 51.36223029] | |
# [159.30544013 83.41298845 62.78960707 90.62564372 35.49619009 | |
# 68.90771185 51.4218314 ] | |
# [168.4264203 83.4412245 62.79086057 90.58902808 40.03612539 | |
# 75.78174051 51.33472428] | |
# [156.16951822 83.43898476 62.83653992 90.54572375 40.54825291 | |
# 69.64772774 51.29420731] | |
# [166.2083519 83.51764631 62.8186502 90.54347489 39.66573045 | |
# 76.32497089 51.35023325] | |
# [166.0839105 83.44015962 62.90650903 90.61517912 40.17319839 | |
# 77.88834217 51.58731256] | |
# [158.87783237 83.3038592 62.70456824 90.52824499 34.72611335 | |
# 69.38327928 51.20675053]] |
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