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| - | ====== Metody eksploracji danych ====== | ||
| - | ===== Laboratorium 1 ===== | ||
| - | |||
| - | |||
| - | ==== Zbiory danych ==== | ||
| - | |||
| - | [[http:// | ||
| - | [[http:// | ||
| - | [[http:// | ||
| - | [[http:// | ||
| - | [[http:// | ||
| - | [[http:// | ||
| - | [[http:// | ||
| - | [[http:// | ||
| - | [[http:// | ||
| - | [[http:// | ||
| - | |||
| - | ==== Zbiory danych ==== | ||
| - | |||
| - | <code lang=Python> | ||
| - | # % matplotlib notebook | ||
| - | |||
| - | import matplotlib.pyplot as plt | ||
| - | import numpy as np | ||
| - | from scipy import stats | ||
| - | from io import StringIO | ||
| - | |||
| - | data = """ | ||
| - | 0.246939, | ||
| - | 0.895519, | ||
| - | 0.971588, | ||
| - | 1.188316, | ||
| - | 1.741884, | ||
| - | 2.196002, | ||
| - | 2.637403, | ||
| - | 2.788188, | ||
| - | 3.50202, | ||
| - | 3.531476, | ||
| - | 3.995073, | ||
| - | 4.66407, | ||
| - | 4.88705, | ||
| - | 5.644447, | ||
| - | 6.537993, | ||
| - | 6.654565, | ||
| - | 6.981497, | ||
| - | 7.099548, | ||
| - | 7.453511, | ||
| - | 8.145089, | ||
| - | 8.865577, | ||
| - | 8.983554, | ||
| - | 9.939295, | ||
| - | 10.132365, | ||
| - | 10.804992, | ||
| - | 10.956247, | ||
| - | 11.135499, | ||
| - | 12.080814, | ||
| - | 12.647943, | ||
| - | 12.741248, | ||
| - | 13.37512, | ||
| - | 13.699004, | ||
| - | 13.795843, | ||
| - | 14.474034, | ||
| - | 15.033079, | ||
| - | 15.592465, | ||
| - | 16.192292, | ||
| - | 16.65253, | ||
| - | 16.832643, | ||
| - | 17.577283, | ||
| - | 17.853024, | ||
| - | 18.763727, | ||
| - | 19.045983, | ||
| - | 19.26704, | ||
| - | 19.537664, | ||
| - | 19.987968, | ||
| - | 20.603744, | ||
| - | 21.373748, | ||
| - | 22.242239, | ||
| - | 22.710625, | ||
| - | 23.706639, | ||
| - | 23.991602, | ||
| - | 24.26953, | ||
| - | 24.899023, | ||
| - | 25.110234, | ||
| - | 25.960459, | ||
| - | 26.712467, | ||
| - | 26.730612, | ||
| - | 26.832166, | ||
| - | 27.234095, | ||
| - | 27.263899, | ||
| - | 28.186481, | ||
| - | 28.609198, | ||
| - | 29.00642, | ||
| - | 29.344191, | ||
| - | 29.652469, | ||
| - | 30.009633, | ||
| - | 30.176943, | ||
| - | 30.616236, | ||
| - | 30.89822, | ||
| - | 31.684718, | ||
| - | 32.564911, | ||
| - | 33.03557, | ||
| - | 33.132668, | ||
| - | 33.820815, | ||
| - | 34.109682, | ||
| - | 34.661445, | ||
| - | 35.162583, | ||
| - | 35.432228, | ||
| - | 36.122985, | ||
| - | 36.532793, | ||
| - | 37.008879, | ||
| - | 37.712701, | ||
| - | 38.486883, | ||
| - | 38.99117, | ||
| - | 39.663589, | ||
| - | 40.241739, | ||
| - | 40.519365, | ||
| - | 40.910886, | ||
| - | 40.998451, | ||
| - | 41.420003, | ||
| - | 42.057595, | ||
| - | 42.374651, | ||
| - | 43.164247, | ||
| - | 44.086193, | ||
| - | 44.137013, | ||
| - | 44.41119, | ||
| - | 45.148115, | ||
| - | 45.845917, | ||
| - | 46.47258, | ||
| - | """ | ||
| - | inp = StringIO(data) | ||
| - | x, y = np.loadtxt(inp, | ||
| - | |||
| - | plt.scatter(x, | ||
| - | |||
| - | |||
| - | #plot function | ||
| - | fx=np.linspace(-10, | ||
| - | fy=2.3702*fx+6.1973 | ||
| - | ftrue=2.37*fx+7 | ||
| - | plt.plot(fx, | ||
| - | plt.plot(fx, | ||
| - | |||
| - | plt.xlim(-10, | ||
| - | plt.grid(True) | ||
| - | plt.xlabel(' | ||
| - | plt.ylabel(' | ||
| - | r = stats.pearsonr(x, | ||
| - | plt.title(' | ||
| - | plt.show() | ||
| - | |||
| - | </ | ||
