{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# 3行で\n", "\n", "・井出・杉山の異常検知と変化検知で説明されてるアルゴリズムを実問題(に近いなにか)に適用したい \n", "・まずはホテリングのT2法をkaggleのCredit Card Fraud Detectionをやってみたぞ \n", "https://www.kaggle.com/mlg-ulb/creditcardfraud" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "# 理論の説明\n", "\n", "詳細は本をご購入ください。\n", "\n", "アルゴリズムをざっと説明すると \n", "1. (パラメータ決定)異常度の分布であるカイ2乗分布から異常と判定する閾値を決定する \n", "2. (訓練)(正常標本が圧倒的に多いデータから)標本平均、標本共分散行列を計算する\n", "3. (推論1)2で求めた標本共分散行列で定義される標本平均と推論対象のデータのマハラノビス距離を計算し、その推論対象の異常度とする\n", "4. (推論2)計算された異常度が閾値を超えたものを異常と判定する\n", "\n", " " ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "# データのロード" ] }, { "cell_type": "code", "execution_count": 18, "metadata": {}, "outputs": [], "source": [ "import pandas as pd\n", "import numpy as np\n", "import matplotlib.pyplot as plt\n", "from sklearn.metrics import confusion_matrix\n", "from sklearn.model_selection import train_test_split\n", "import scipy.stats\n", "\n", "df = pd.read_csv(\"creditcard.csv\")" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "あとで使うモジュールもここでimportしておく" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "# データ概観" ] }, { "cell_type": "code", "execution_count": 17, "metadata": {}, "outputs": [ { "data": { "text/html": [ "
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---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | \n", "0.0 | \n", "-1.359807 | \n", "-0.072781 | \n", "2.536347 | \n", "1.378155 | \n", "-0.338321 | \n", "0.462388 | \n", "0.239599 | \n", "0.098698 | \n", "0.363787 | \n", "... | \n", "-0.018307 | \n", "0.277838 | \n", "-0.110474 | \n", "0.066928 | \n", "0.128539 | \n", "-0.189115 | \n", "0.133558 | \n", "-0.021053 | \n", "149.62 | \n", "0 | \n", "
1 | \n", "0.0 | \n", "1.191857 | \n", "0.266151 | \n", "0.166480 | \n", "0.448154 | \n", "0.060018 | \n", "-0.082361 | \n", "-0.078803 | \n", "0.085102 | \n", "-0.255425 | \n", "... | \n", "-0.225775 | \n", "-0.638672 | \n", "0.101288 | \n", "-0.339846 | \n", "0.167170 | \n", "0.125895 | \n", "-0.008983 | \n", "0.014724 | \n", "2.69 | \n", "0 | \n", "
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3 rows × 31 columns
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---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
count | \n", "284807.000000 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "... | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "2.848070e+05 | \n", "284807.000000 | \n", "284807.000000 | \n", "
mean | \n", "94813.859575 | \n", "1.165980e-15 | \n", "3.416908e-16 | \n", "-1.373150e-15 | \n", "2.086869e-15 | \n", "9.604066e-16 | \n", "1.490107e-15 | \n", "-5.556467e-16 | \n", "1.177556e-16 | \n", "-2.406455e-15 | \n", "... | \n", "1.656562e-16 | \n", "-3.444850e-16 | \n", "2.578648e-16 | \n", "4.471968e-15 | \n", "5.340915e-16 | \n", "1.687098e-15 | \n", "-3.666453e-16 | \n", "-1.220404e-16 | \n", "88.349619 | \n", "0.001727 | \n", "
std | \n", "47488.145955 | \n", "1.958696e+00 | \n", "1.651309e+00 | \n", "1.516255e+00 | \n", "1.415869e+00 | \n", "1.380247e+00 | \n", "1.332271e+00 | \n", "1.237094e+00 | \n", "1.194353e+00 | \n", "1.098632e+00 | \n", "... | \n", "7.345240e-01 | \n", "7.257016e-01 | \n", "6.244603e-01 | \n", "6.056471e-01 | \n", "5.212781e-01 | \n", "4.822270e-01 | \n", "4.036325e-01 | \n", "3.300833e-01 | \n", "250.120109 | \n", "0.041527 | \n", "
min | \n", "0.000000 | \n", "-5.640751e+01 | \n", "-7.271573e+01 | \n", "-4.832559e+01 | \n", "-5.683171e+00 | \n", "-1.137433e+02 | \n", "-2.616051e+01 | \n", "-4.355724e+01 | \n", "-7.321672e+01 | \n", "-1.343407e+01 | \n", "... | \n", "-3.483038e+01 | \n", "-1.093314e+01 | \n", "-4.480774e+01 | \n", "-2.836627e+00 | \n", "-1.029540e+01 | \n", "-2.604551e+00 | \n", "-2.256568e+01 | \n", "-1.543008e+01 | \n", "0.000000 | \n", "0.000000 | \n", "
25% | \n", "54201.500000 | \n", "-9.203734e-01 | \n", "-5.985499e-01 | \n", "-8.903648e-01 | \n", "-8.486401e-01 | \n", "-6.915971e-01 | \n", "-7.682956e-01 | \n", "-5.540759e-01 | \n", "-2.086297e-01 | \n", "-6.430976e-01 | \n", "... | \n", "-2.283949e-01 | \n", "-5.423504e-01 | \n", "-1.618463e-01 | \n", "-3.545861e-01 | \n", "-3.171451e-01 | \n", "-3.269839e-01 | \n", "-7.083953e-02 | \n", "-5.295979e-02 | \n", "5.600000 | \n", "0.000000 | \n", "
50% | \n", "84692.000000 | \n", "1.810880e-02 | \n", "6.548556e-02 | \n", "1.798463e-01 | \n", "-1.984653e-02 | \n", "-5.433583e-02 | \n", "-2.741871e-01 | \n", "4.010308e-02 | \n", "2.235804e-02 | \n", "-5.142873e-02 | \n", "... | \n", "-2.945017e-02 | \n", "6.781943e-03 | \n", "-1.119293e-02 | \n", "4.097606e-02 | \n", "1.659350e-02 | \n", "-5.213911e-02 | \n", "1.342146e-03 | \n", "1.124383e-02 | \n", "22.000000 | \n", "0.000000 | \n", "
75% | \n", "139320.500000 | \n", "1.315642e+00 | \n", "8.037239e-01 | \n", "1.027196e+00 | \n", "7.433413e-01 | \n", "6.119264e-01 | \n", "3.985649e-01 | \n", "5.704361e-01 | \n", "3.273459e-01 | \n", "5.971390e-01 | \n", "... | \n", "1.863772e-01 | \n", "5.285536e-01 | \n", "1.476421e-01 | \n", "4.395266e-01 | \n", "3.507156e-01 | \n", "2.409522e-01 | \n", "9.104512e-02 | \n", "7.827995e-02 | \n", "77.165000 | \n", "0.000000 | \n", "
max | \n", "172792.000000 | \n", "2.454930e+00 | \n", "2.205773e+01 | \n", "9.382558e+00 | \n", "1.687534e+01 | \n", "3.480167e+01 | \n", "7.330163e+01 | \n", "1.205895e+02 | \n", "2.000721e+01 | \n", "1.559499e+01 | \n", "... | \n", "2.720284e+01 | \n", "1.050309e+01 | \n", "2.252841e+01 | \n", "4.584549e+00 | \n", "7.519589e+00 | \n", "3.517346e+00 | \n", "3.161220e+01 | \n", "3.384781e+01 | \n", "25691.160000 | \n", "1.000000 | \n", "
8 rows × 31 columns
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---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Time | \n", "2.255124e+09 | \n", "1.091960e+04 | \n", "-8.307031e+02 | \n", "-3.021425e+04 | \n", "-7.077378e+03 | \n", "1.134407e+04 | \n", "-3.986868e+03 | \n", "4.976739e+03 | \n", "-2.095683e+03 | \n", "-4.518322e+02 | \n", "... | \n", "1.560435e+03 | \n", "4.964595e+03 | \n", "1.516599e+03 | \n", "-4.654076e+02 | \n", "-5.769855e+03 | \n", "-9.482254e+02 | \n", "-9.841860e+01 | \n", "-1.475443e+02 | \n", "-125860.970747 | \n", "-24.300717 | \n", "
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V2 | \n", "-8.307031e+02 | \n", "-3.668399e-16 | \n", "2.726820e+00 | \n", "1.722431e-16 | \n", "-5.294779e-16 | \n", "1.705466e-16 | \n", "8.324751e-16 | \n", "-2.573168e-16 | \n", "4.291109e-18 | \n", "-1.894075e-16 | \n", "... | \n", "8.721928e-17 | \n", "2.080689e-16 | \n", "9.431707e-17 | \n", "-1.081634e-16 | \n", "1.314776e-16 | \n", "2.006343e-16 | \n", "-3.456338e-16 | \n", "-1.968671e-16 | \n", "-219.485433 | \n", "0.006260 | \n", "
V3 | \n", "-3.021425e+04 | \n", "-1.591003e-15 | \n", "1.722431e-16 | \n", "2.299029e+00 | \n", "-4.621923e-16 | \n", "-1.297100e-15 | \n", "2.939634e-15 | \n", "5.082718e-16 | \n", "-5.758069e-17 | \n", "2.412002e-16 | \n", "... | \n", "-1.889959e-16 | \n", "-2.348384e-16 | \n", "-7.394678e-17 | \n", "3.089224e-17 | \n", "5.925223e-17 | \n", "-1.715297e-16 | \n", "3.409186e-16 | \n", "3.703327e-16 | \n", "-79.975549 | \n", "-0.012150 | \n", "
V4 | \n", "-7.077378e+03 | \n", "-7.327817e-16 | \n", "-5.294779e-16 | \n", "-4.621923e-16 | \n", "2.004684e+00 | \n", "-3.576902e-15 | \n", "-7.963000e-16 | \n", "-1.949710e-16 | \n", "1.121726e-15 | \n", "9.433454e-16 | \n", "... | \n", "-5.786136e-17 | \n", "2.599239e-16 | \n", "1.700352e-16 | \n", "1.347708e-16 | \n", "4.773297e-16 | \n", "-2.689739e-16 | \n", "-6.540199e-17 | \n", "-4.341005e-18 | \n", "34.964556 | \n", "0.007846 | \n", "
V5 | \n", "1.134407e+04 | \n", "8.378639e-16 | \n", "1.705466e-16 | \n", "-1.297100e-15 | \n", "-3.576902e-15 | \n", "1.905081e+00 | \n", "1.156005e-15 | \n", "-1.397105e-18 | \n", "8.149115e-16 | \n", "8.041837e-16 | \n", "... | \n", "-7.223938e-17 | \n", "4.573025e-17 | \n", "9.701149e-17 | \n", "-8.131900e-16 | \n", "-6.929392e-17 | \n", "2.398717e-16 | \n", "2.521276e-16 | \n", "-8.280967e-17 | \n", "-133.380790 | \n", "-0.005444 | \n", "
V6 | \n", "-3.986868e+03 | \n", "3.333094e-16 | \n", "8.324751e-16 | \n", "2.939634e-15 | \n", "-7.963000e-16 | \n", "1.156005e-15 | \n", "1.774946e+00 | \n", "-5.304010e-17 | \n", "-5.904266e-16 | \n", "-1.975345e-16 | \n", "... | \n", "-9.924436e-17 | \n", "-1.017080e-16 | \n", "3.371062e-17 | \n", "-8.535315e-16 | \n", "3.820521e-16 | \n", "-1.645278e-16 | \n", "-6.873882e-17 | \n", "1.897350e-16 | \n", "71.970931 | \n", "-0.002415 | \n", "
V7 | \n", "4.976739e+03 | \n", "9.924436e-17 | \n", "-2.573168e-16 | \n", "5.082718e-16 | \n", "-1.949710e-16 | \n", "-1.397105e-18 | \n", "-5.304010e-17 | \n", "1.530401e+00 | \n", "-5.867842e-17 | \n", "3.567608e-17 | \n", "... | \n", "3.142395e-17 | \n", "-5.758880e-16 | \n", "-2.145430e-16 | \n", "-3.648690e-18 | \n", "2.201688e-17 | \n", "-4.844150e-16 | \n", "-5.993831e-17 | \n", "3.056168e-17 | \n", "122.936845 | \n", "-0.009620 | \n", "
V8 | \n", "-2.095683e+03 | \n", "-5.408793e-17 | \n", "4.291109e-18 | \n", "-5.758069e-17 | \n", "1.121726e-15 | \n", "8.149115e-16 | \n", "-5.904266e-16 | \n", "-5.867842e-17 | \n", "1.426479e+00 | \n", "5.726634e-16 | \n", "... | \n", "3.613762e-17 | \n", "1.493156e-17 | \n", "1.519976e-16 | \n", "-1.545859e-16 | \n", "-1.134399e-16 | \n", "-7.983458e-19 | \n", "1.586213e-16 | \n", "-2.243975e-16 | \n", "-30.792991 | \n", "0.000986 | \n", "
V9 | \n", "-4.518322e+02 | \n", "8.332734e-17 | \n", "-1.894075e-16 | \n", "2.412002e-16 | \n", "9.433454e-16 | \n", "8.041837e-16 | \n", "-1.975345e-16 | \n", "3.567608e-17 | \n", "5.726634e-16 | \n", "1.206992e+00 | \n", "... | \n", "1.899876e-16 | \n", "-1.223621e-16 | \n", "-6.412962e-17 | \n", "-1.877797e-16 | \n", "1.144129e-16 | \n", "-7.271184e-17 | \n", "-7.746449e-17 | \n", "2.986687e-16 | \n", "-12.158248 | \n", "-0.004459 | \n", "
V10 | \n", "1.583108e+03 | \n", "1.150616e-16 | \n", "-2.581651e-16 | \n", "3.983746e-16 | \n", "-1.549290e-16 | \n", "1.886092e-16 | \n", "1.885094e-16 | \n", "4.369446e-16 | \n", "5.214196e-17 | \n", "-3.406442e-16 | \n", "... | \n", "8.314273e-16 | \n", "-2.321544e-16 | \n", "1.570122e-16 | \n", "-6.012542e-17 | \n", "-1.976904e-16 | \n", "-2.011457e-16 | \n", "-1.489913e-16 | \n", "8.499888e-17 | \n", "-27.643420 | \n", "-0.009807 | \n", "
V11 | \n", "-1.200595e+04 | \n", "6.134539e-16 | \n", "5.897780e-16 | \n", "1.855406e-16 | \n", "-3.985991e-16 | \n", "1.059954e-15 | \n", "1.252530e-15 | \n", "-4.654107e-16 | \n", "1.648335e-16 | \n", "3.325110e-16 | \n", "... | \n", "6.411715e-18 | \n", "7.422121e-18 | \n", "7.518562e-17 | \n", "1.014404e-15 | \n", "-3.322101e-16 | \n", "-5.055229e-17 | \n", "-6.875130e-17 | \n", "-1.178776e-16 | \n", "0.026545 | \n", "0.006565 | \n", "
V12 | \n", "5.900343e+03 | \n", "2.879035e-16 | \n", "-5.113904e-16 | \n", "2.192457e-16 | \n", "-2.237614e-16 | \n", "4.985046e-16 | \n", "3.857382e-16 | \n", "8.852408e-16 | \n", "6.361818e-17 | \n", "-1.452939e-15 | \n", "... | \n", "4.281192e-16 | \n", "-4.191939e-17 | \n", "1.751683e-16 | \n", "2.662171e-16 | \n", "5.036439e-18 | \n", "7.535948e-17 | \n", "-1.251532e-16 | \n", "2.307594e-16 | \n", "-2.384691 | \n", "-0.010813 | \n", "
V13 | \n", "-3.114775e+03 | \n", "-1.150366e-16 | \n", "-2.421233e-17 | \n", "-1.552408e-17 | \n", "6.985526e-18 | \n", "-3.766882e-16 | \n", "-2.110751e-16 | \n", "-9.082431e-17 | \n", "-3.522666e-16 | \n", "1.031550e-15 | \n", "... | \n", "1.101780e-16 | \n", "-3.090471e-17 | \n", "-4.245672e-16 | \n", "-3.867362e-16 | \n", "-3.703108e-17 | \n", "-6.879807e-17 | \n", "-1.954029e-16 | \n", "3.569869e-16 | \n", "1.317731 | \n", "-0.000189 | \n", "
V14 | \n", "-4.495601e+03 | \n", "6.929642e-16 | \n", "-5.958903e-16 | \n", "9.764268e-16 | \n", "-1.340223e-16 | \n", "3.198373e-16 | \n", "4.424582e-16 | \n", "3.789648e-17 | \n", "-2.466140e-16 | \n", "1.055974e-15 | \n", "... | \n", "-1.480713e-16 | \n", "4.201232e-16 | \n", "1.360837e-16 | \n", "5.972001e-19 | \n", "-1.113942e-17 | \n", "-1.394026e-17 | \n", "8.638351e-18 | \n", "7.615907e-16 | \n", "8.092317 | \n", "-0.012044 | \n", "
V15 | \n", "-7.974101e+03 | \n", "-1.809002e-16 | \n", "1.848171e-16 | \n", "-9.166008e-17 | \n", "2.706080e-16 | \n", "1.742967e-16 | \n", "-1.507127e-16 | \n", "-7.203823e-17 | \n", "1.270056e-16 | \n", "-9.079687e-16 | \n", "... | \n", "3.721040e-17 | \n", "-2.108506e-16 | \n", "6.455862e-17 | \n", "-2.440054e-16 | \n", "1.078079e-16 | \n", "4.659096e-17 | \n", "-4.597287e-16 | \n", "-3.402512e-16 | \n", "-0.683577 | \n", "-0.000161 | \n", "
V16 | \n", "4.952977e+02 | \n", "5.285673e-16 | \n", "3.155961e-17 | \n", "7.528650e-16 | \n", "-9.837117e-17 | \n", "7.070849e-16 | \n", "-1.168329e-16 | \n", "4.634148e-16 | \n", "1.289328e-16 | \n", "-4.782091e-16 | \n", "... | \n", "-2.574385e-16 | \n", "1.641723e-16 | \n", "3.941458e-16 | \n", "-1.879231e-16 | \n", "-1.675341e-16 | \n", "-1.998359e-16 | \n", "2.856098e-16 | \n", "2.027221e-16 | \n", "-0.856845 | \n", "-0.007152 | \n", "
V17 | \n", "-2.956329e+03 | \n", "-9.979323e-20 | \n", "-8.274355e-16 | \n", "2.238861e-16 | \n", "-4.450404e-16 | \n", "5.438107e-16 | \n", "1.515578e-16 | \n", "5.852623e-16 | \n", "-3.612764e-16 | \n", "7.218917e-16 | \n", "... | \n", "-5.982261e-16 | \n", "-1.709583e-16 | \n", "2.318197e-16 | \n", "-8.313399e-17 | \n", "5.065130e-17 | \n", "1.111198e-16 | \n", "2.314862e-16 | \n", "-2.508123e-17 | \n", "1.552706 | \n", "-0.011515 | \n", "
V18 | \n", "3.599748e+03 | \n", "2.506182e-16 | \n", "3.313010e-16 | \n", "3.611642e-16 | \n", "-1.999607e-17 | \n", "4.699014e-16 | \n", "2.479862e-17 | \n", "1.761132e-16 | \n", "-3.275299e-16 | \n", "1.275108e-16 | \n", "... | \n", "-7.473702e-16 | \n", "-3.439810e-16 | \n", "-1.539934e-16 | \n", "-9.610399e-17 | \n", "-1.062299e-16 | \n", "1.221656e-16 | \n", "7.003925e-17 | \n", "2.214466e-16 | \n", "7.473906 | \n", "-0.003880 | \n", "
V19 | \n", "1.120106e+03 | \n", "2.628616e-16 | \n", "1.322260e-17 | \n", "4.161378e-16 | \n", "-3.186273e-16 | \n", "-1.326579e-16 | \n", "4.128321e-17 | \n", "-6.023769e-17 | \n", "-3.161449e-16 | \n", "9.824799e-17 | \n", "... | \n", "3.482472e-16 | \n", "-6.066227e-16 | \n", "3.415922e-16 | \n", "-4.382794e-17 | \n", "3.477669e-16 | \n", "2.153475e-16 | \n", "-5.407545e-17 | \n", "-3.659698e-16 | \n", "-11.432744 | \n", "0.001176 | \n", "
V20 | \n", "-1.862195e+03 | \n", "1.167581e-16 | \n", "8.602176e-17 | \n", "1.501888e-17 | \n", "-2.057175e-16 | \n", "-1.774199e-16 | \n", "1.268996e-16 | \n", "1.786174e-16 | \n", "1.124420e-16 | \n", "-2.917704e-16 | \n", "... | \n", "-6.614669e-16 | \n", "5.314426e-16 | \n", "6.533961e-17 | \n", "7.554659e-17 | \n", "4.378428e-18 | \n", "-1.297577e-16 | \n", "-3.006146e-16 | \n", "-6.298824e-17 | \n", "65.445072 | \n", "0.000643 | \n", "
V21 | \n", "1.560435e+03 | \n", "-1.691534e-16 | \n", "8.721928e-17 | \n", "-1.889959e-16 | \n", "-5.786136e-17 | \n", "-7.223938e-17 | \n", "-9.924436e-17 | \n", "3.142395e-17 | \n", "3.613762e-17 | \n", "1.899876e-16 | \n", "... | \n", "5.395255e-01 | \n", "1.865772e-15 | \n", "2.918952e-16 | \n", "6.076160e-17 | \n", "-4.707745e-17 | \n", "-1.772897e-16 | \n", "-4.174631e-16 | \n", "3.679563e-17 | \n", "19.474041 | \n", "0.001233 | \n", "
V22 | \n", "4.964595e+03 | \n", "1.559269e-16 | \n", "2.080689e-16 | \n", "-2.348384e-16 | \n", "2.599239e-16 | \n", "4.573025e-17 | \n", "-1.017080e-16 | \n", "-5.758880e-16 | \n", "1.493156e-17 | \n", "-1.223621e-16 | \n", "... | \n", "1.865772e-15 | \n", "5.266428e-01 | \n", "1.313092e-16 | \n", "1.332240e-17 | \n", "-3.658763e-16 | \n", "-8.804511e-18 | \n", "4.925419e-17 | \n", "-1.296150e-16 | \n", "-11.762131 | \n", "0.000024 | \n", "
V23 | \n", "1.516599e+03 | \n", "2.421982e-16 | \n", "9.431707e-17 | \n", "-7.394678e-17 | \n", "1.700352e-16 | \n", "9.701149e-17 | \n", "3.371062e-17 | \n", "-2.145430e-16 | \n", "1.519976e-16 | \n", "-6.412962e-17 | \n", "... | \n", "2.918952e-16 | \n", "1.313092e-16 | \n", "3.899507e-01 | \n", "2.487034e-17 | \n", "-2.341586e-16 | \n", "3.876437e-16 | \n", "1.088027e-16 | \n", "2.850687e-16 | \n", "-17.592087 | \n", "-0.000070 | \n", "
V24 | \n", "-4.654076e+02 | \n", "-5.106918e-17 | \n", "-1.081634e-16 | \n", "3.089224e-17 | \n", "1.347708e-16 | \n", "-8.131900e-16 | \n", "-8.535315e-16 | \n", "-3.648690e-18 | \n", "-1.545859e-16 | \n", "-1.877797e-16 | \n", "... | \n", "6.076160e-17 | \n", "1.332240e-17 | \n", "2.487034e-17 | \n", "3.668084e-01 | \n", "3.937607e-16 | \n", "5.488754e-17 | \n", "-7.522538e-17 | \n", "-5.594736e-17 | \n", "0.779572 | \n", "-0.000182 | \n", "
V25 | \n", "-5.769855e+03 | \n", "-3.270723e-16 | \n", "1.314776e-16 | \n", "5.925223e-17 | \n", "4.773297e-16 | \n", "-6.929392e-17 | \n", "3.820521e-16 | \n", "2.201688e-17 | \n", "-1.134399e-16 | \n", "1.144129e-16 | \n", "... | \n", "-4.707745e-17 | \n", "-3.658763e-16 | \n", "-2.341586e-16 | \n", "3.937607e-16 | \n", "2.717308e-01 | \n", "6.118510e-16 | \n", "-1.328653e-16 | \n", "6.097678e-17 | \n", "-6.237072 | \n", "0.000072 | \n", "
V26 | \n", "-9.482254e+02 | \n", "-1.284838e-16 | \n", "2.006343e-16 | \n", "-1.715297e-16 | \n", "-2.689739e-16 | \n", "2.398717e-16 | \n", "-1.645278e-16 | \n", "-4.844150e-16 | \n", "-7.983458e-19 | \n", "-7.271184e-17 | \n", "... | \n", "-1.772897e-16 | \n", "-8.804511e-18 | \n", "3.876437e-16 | \n", "5.488754e-17 | \n", "6.118510e-16 | \n", "2.325429e-01 | \n", "-5.454791e-17 | \n", "-4.690671e-17 | \n", "-0.386936 | \n", "0.000089 | \n", "
V27 | \n", "-9.841860e+01 | \n", "9.270791e-17 | \n", "-3.456338e-16 | \n", "3.409186e-16 | \n", "-6.540199e-17 | \n", "2.521276e-16 | \n", "-6.873882e-17 | \n", "-5.993831e-17 | \n", "1.586213e-16 | \n", "-7.746449e-17 | \n", "... | \n", "-4.174631e-16 | \n", "4.925419e-17 | \n", "1.088027e-16 | \n", "-7.522538e-17 | \n", "-1.328653e-16 | \n", "-5.454791e-17 | \n", "1.629192e-01 | \n", "4.927291e-19 | \n", "2.910121 | \n", "0.000295 | \n", "
V28 | \n", "-1.475443e+02 | \n", "2.291751e-16 | \n", "-1.968671e-16 | \n", "3.703327e-16 | \n", "-4.341005e-18 | \n", "-8.280967e-17 | \n", "1.897350e-16 | \n", "3.056168e-17 | \n", "-2.243975e-16 | \n", "2.986687e-16 | \n", "... | \n", "3.679563e-17 | \n", "-1.296150e-16 | \n", "2.850687e-16 | \n", "-5.594736e-17 | \n", "6.097678e-17 | \n", "-4.690671e-17 | \n", "4.927291e-19 | \n", "1.089550e-01 | \n", "0.846923 | \n", "0.000131 | \n", "
Amount | \n", "-1.258610e+05 | \n", "-1.115566e+02 | \n", "-2.194854e+02 | \n", "-7.997555e+01 | \n", "3.496456e+01 | \n", "-1.333808e+02 | \n", "7.197093e+01 | \n", "1.229368e+02 | \n", "-3.079299e+01 | \n", "-1.215825e+01 | \n", "... | \n", "1.947404e+01 | \n", "-1.176213e+01 | \n", "-1.759209e+01 | \n", "7.795722e-01 | \n", "-6.237072e+00 | \n", "-3.869364e-01 | \n", "2.910121e+00 | \n", "8.469230e-01 | \n", "62560.069046 | \n", "0.058496 | \n", "
Class | \n", "-2.430072e+01 | \n", "-8.243501e-03 | \n", "6.260047e-03 | \n", "-1.214993e-02 | \n", "7.846318e-03 | \n", "-5.443715e-03 | \n", "-2.414579e-03 | \n", "-9.619937e-03 | \n", "9.857688e-04 | \n", "-4.458868e-03 | \n", "... | \n", "1.232718e-03 | \n", "2.426933e-05 | \n", "-6.963168e-05 | \n", "-1.816117e-04 | \n", "7.160261e-05 | \n", "8.922171e-05 | \n", "2.946665e-04 | \n", "1.307146e-04 | \n", "0.058496 | \n", "0.001725 | \n", "
31 rows × 31 columns
\n", "\n", " | Time | \n", "V1 | \n", "V2 | \n", "V3 | \n", "V4 | \n", "V5 | \n", "V6 | \n", "V7 | \n", "V8 | \n", "V9 | \n", "... | \n", "V21 | \n", "V22 | \n", "V23 | \n", "V24 | \n", "V25 | \n", "V26 | \n", "V27 | \n", "V28 | \n", "Amount | \n", "Class | \n", "
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
count | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "... | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.000000 | \n", "492.0 | \n", "
mean | \n", "80746.806911 | \n", "-4.771948 | \n", "3.623778 | \n", "-7.033281 | \n", "4.542029 | \n", "-3.151225 | \n", "-1.397737 | \n", "-5.568731 | \n", "0.570636 | \n", "-2.581123 | \n", "... | \n", "0.713588 | \n", "0.014049 | \n", "-0.040308 | \n", "-0.105130 | \n", "0.041449 | \n", "0.051648 | \n", "0.170575 | \n", "0.075667 | \n", "122.211321 | \n", "1.0 | \n", "
std | \n", "47835.365138 | \n", "6.783687 | \n", "4.291216 | \n", "7.110937 | \n", "2.873318 | \n", "5.372468 | \n", "1.858124 | \n", "7.206773 | \n", "6.797831 | \n", "2.500896 | \n", "... | \n", "3.869304 | \n", "1.494602 | \n", "1.579642 | \n", "0.515577 | \n", "0.797205 | \n", "0.471679 | \n", "1.376766 | \n", "0.547291 | \n", "256.683288 | \n", "0.0 | \n", "
min | \n", "406.000000 | \n", "-30.552380 | \n", "-8.402154 | \n", "-31.103685 | \n", "-1.313275 | \n", "-22.105532 | \n", "-6.406267 | \n", "-43.557242 | \n", "-41.044261 | \n", "-13.434066 | \n", "... | \n", "-22.797604 | \n", "-8.887017 | \n", "-19.254328 | \n", "-2.028024 | \n", "-4.781606 | \n", "-1.152671 | \n", "-7.263482 | \n", "-1.869290 | \n", "0.000000 | \n", "1.0 | \n", "
25% | \n", "41241.500000 | \n", "-6.036063 | \n", "1.188226 | \n", "-8.643489 | \n", "2.373050 | \n", "-4.792835 | \n", "-2.501511 | \n", "-7.965295 | \n", "-0.195336 | \n", "-3.872383 | \n", "... | \n", "0.041787 | \n", "-0.533764 | \n", "-0.342175 | \n", "-0.436809 | \n", "-0.314348 | \n", "-0.259416 | \n", "-0.020025 | \n", "-0.108868 | \n", "1.000000 | \n", "1.0 | \n", "
50% | \n", "75568.500000 | \n", "-2.342497 | \n", "2.717869 | \n", "-5.075257 | \n", "4.177147 | \n", "-1.522962 | \n", "-1.424616 | \n", "-3.034402 | \n", "0.621508 | \n", "-2.208768 | \n", "... | \n", "0.592146 | \n", "0.048434 | \n", "-0.073135 | \n", "-0.060795 | \n", "0.088371 | \n", "0.004321 | \n", "0.394926 | \n", "0.146344 | \n", "9.250000 | \n", "1.0 | \n", "
75% | \n", "128483.000000 | \n", "-0.419200 | \n", "4.971257 | \n", "-2.276185 | \n", "6.348729 | \n", "0.214562 | \n", "-0.413216 | \n", "-0.945954 | \n", "1.764879 | \n", "-0.787850 | \n", "... | \n", "1.244611 | \n", "0.617474 | \n", "0.308378 | \n", "0.285328 | \n", "0.456515 | \n", "0.396733 | \n", "0.826029 | \n", "0.381152 | \n", "105.890000 | \n", "1.0 | \n", "
max | \n", "170348.000000 | \n", "2.132386 | \n", "22.057729 | \n", "2.250210 | \n", "12.114672 | \n", "11.095089 | \n", "6.474115 | \n", "5.802537 | \n", "20.007208 | \n", "3.353525 | \n", "... | \n", "27.202839 | \n", "8.361985 | \n", "5.466230 | \n", "1.091435 | \n", "2.208209 | \n", "2.745261 | \n", "3.052358 | \n", "1.779364 | \n", "2125.870000 | \n", "1.0 | \n", "
8 rows × 31 columns
\n", "