Question: Gradient Descent using batch AND stochastic modes respectively: a) Split dataset into 80% for training and 20% for testing. b) Plot MSE vs. iteration of

Gradient Descent using batch AND stochastic modes respectively: a) Split dataset into 80% for training and 20% for testing. b) Plot MSE vs. iteration of each mode for both training set and testing set; compare batch and stochastic modes (with discussion) in terms of accuracy (of testing set) and speed of convergence (You need to determine an appropriate termination condition, e.g., when cost function is less than a threshold, and/or after a given number of iterations.) c) Plot MSE vs. learning rate (using 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1) and determine the best learning rate. Please implement the algorithms by yourself and do NOT use the fit() function of the library. data2.txt is as below: 6.1101,17.592 5.5277,9.1302 8.5186,13.662 7.0032,11.854 5.8598,6.8233 8.3829,11.886 7.4764,4.3483 8.5781,12 6.4862,6.5987 5.0546,3.8166 5.7107,3.2522 14.164,15.505 5.734,3.1551 8.4084,7.2258 5.6407,0.71618 5.3794,3.5129 6.3654,5.3048 5.1301,0.56077 6.4296,3.6518 7.0708,5.3893 6.1891,3.1386 20.27,21.767 5.4901,4.263 6.3261,5.1875 5.5649,3.0825 18.945,22.638 12.828,13.501 10.957,7.0467 13.176,14.692 22.203,24.147 5.2524,-1.22 6.5894,5.9966 9.2482,12.134 5.8918,1.8495 8.2111,6.5426 7.9334,4.5623 8.0959,4.1164 5.6063,3.3928 12.836,10.117 6.3534,5.4974 5.4069,0.55657 6.8825,3.9115 11.708,5.3854 5.7737,2.4406 7.8247,6.7318 7.0931,1.0463 5.0702,5.1337 5.8014,1.844 11.7,8.0043 5.5416,1.0179 7.5402,6.7504 5.3077,1.8396 7.4239,4.2885 7.6031,4.9981 6.3328,1.4233 6.3589,-1.4211 6.2742,2.4756 5.6397,4.6042 9.3102,3.9624 9.4536,5.4141 8.8254,5.1694 5.1793,-0.74279 21.279,17.929 14.908,12.054 18.959,17.054 7.2182,4.8852 8.2951,5.7442 10.236,7.7754 5.4994,1.0173 20.341,20.992 10.136,6.6799 7.3345,4.0259 6.0062,1.2784 7.2259,3.3411 5.0269,-2.6807 6.5479,0.29678 7.5386,3.8845 5.0365,5.7014 10.274,6.7526 5.1077,2.0576 5.7292,0.47953 5.1884,0.20421 6.3557,0.67861 9.7687,7.5435 6.5159,5.3436 8.5172,4.2415 9.1802,6.7981 6.002,0.92695 5.5204,0.152 5.0594,2.8214 5.7077,1.8451 7.6366,4.2959 5.8707,7.2029 5.3054,1.9869 8.2934,0.14454 13.394,9.0551 5.4369,0.61705

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