Outils pour utilisateurs
python:first_course_statistics
Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentes Révision précédente Prochaine révision | Révision précédente Prochaine révision Les deux révisions suivantes | ||
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python:first_course_statistics [2016/10/17 07:52] Francesco Beretta [Boxplot (p.9)] |
python:first_course_statistics [2016/10/24 14:30] Beretta, Anna Letizia [Scatterplot (p.18)] |
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|---|---|---|---|
| Ligne 66: | Ligne 66: | ||
| </code> | </code> | ||
| - | ===== Descriptive statistics ===== | ||
| - | Note: try different examples, ie. the whole population or only those where 'Duration' <= 3 | + | \\ |
| + | |||
| + | |||
| + | ===== Descriptive statistics (p.9) ===== | ||
| + | |||
| + | Note: try different examples, e.g. the whole population or only those where 'Duration' <= 3, the whole dataframe | ||
| [[http://pandas.pydata.org/pandas-docs/stable/basics.html#descriptive-statistics|doc]] – [[http://www.marsja.se/pandas-python-descriptive-statistics/|example]] | [[http://pandas.pydata.org/pandas-docs/stable/basics.html#descriptive-statistics|doc]] – [[http://www.marsja.se/pandas-python-descriptive-statistics/|example]] | ||
| Ligne 77: | Ligne 81: | ||
| gysr1['Duration'][gysr1['Duration'] <= 3].describe() | gysr1['Duration'][gysr1['Duration'] <= 3].describe() | ||
| </code> | </code> | ||
| + | |||
| + | |||
| + | \\ | ||
| Ligne 91: | Ligne 98: | ||
| plt.boxplot([gysr1_inf3['Interval'],gysr1_sup3['Interval']], labels= ['inf3','sup3']) | plt.boxplot([gysr1_inf3['Interval'],gysr1_sup3['Interval']], labels= ['inf3','sup3']) | ||
| </code> | </code> | ||
| + | |||
| + | |||
| + | \\ | ||
| + | |||
| ====== International adoption rates (p.13) ====== | ====== International adoption rates (p.13) ====== | ||
| + | |||
| + | ===== Boxplot (p.14) ===== | ||
| + | |||
| + | <code python> | ||
| + | import matplotlib.pyplot as plt | ||
| + | import pandas as pd | ||
| + | adopt_data = pd.read_csv('D:\Python\Libri\A_Casebook_for_a_First_Course_in_Statistics_and_Data_Analysis_Datasets\Data\Tab\\adopt.TAB', '\t') | ||
| + | adopt1 = adopt_data['Visa91'] | ||
| + | plt.boxplot(adopt1) | ||
| + | ax = plt.gca() | ||
| + | ax.set_title('Box and Whisker Plot') | ||
| + | ax.set_xlabel('39 cases') | ||
| + | ax.set_ylabel('Number of visas in 1991') | ||
| + | plt.show() | ||
| + | </code> | ||
| + | |||
| + | |||
| + | \\ | ||
| + | |||
| + | |||
| + | ===== Histogram (p.14) ===== | ||
| + | |||
| + | <code python> | ||
| + | import matplotlib.pyplot as plt | ||
| + | import pandas as pd | ||
| + | adopt_data = pd.read_csv('D:\Python\Libri\A_Casebook_for_a_First_Course_in_Statistics_and_Data_Analysis_Datasets\Data\Tab\\adopt.TAB', '\t') | ||
| + | adopt1 = adopt_data['Visa91'] | ||
| + | plt.hist(adopt1) | ||
| + | plt.show() | ||
| + | </code> | ||
| + | |||
| + | |||
| + | \\ | ||
| + | |||
| + | |||
| + | =====Scatterplot (p. 17)===== | ||
| + | <code python> | ||
| + | import matplotlib.pyplot as plt | ||
| + | import pandas as pd | ||
| + | adoption_scatterplot = pd.read_csv('...\adopt.TAB', '\t') | ||
| + | adopt_data_Xax = adoption_scatterplot['Visa88'] | ||
| + | adopt_data_Yax = adoption_scatterplot['Visa91'] | ||
| + | plt.scatter(adopt_data_Xax, adopt_data_Yax, facecolor='y', edgecolor='y') | ||
| + | ax = plt.gca() | ||
| + | ax.set_xlabel('Number of Visas in 1988') | ||
| + | ax.set_ylim([0,2700]) | ||
| + | ax.set_xlim([0,5000]) | ||
| + | ax.set_ylabel('Number of Visas in 1991') | ||
| + | ax.set_title('ScatterPlot of Visa91 vs Visa88') | ||
| + | plt.show() | ||
| + | </code> | ||
| + | |||
| + | |||
| + | \\ | ||
| + | |||
| + | |||
| + | =====Scatterplot (p.18)===== | ||
| + | <code python> | ||
| + | import matplotlib.pyplot as plt | ||
| + | import pandas as pd | ||
| + | adoption_scatterplot = pd.read_csv('D:\Python\Libri\A_Casebook_for_a_First_Course_in_Statistics_and_Data_Analysis_Datasets\Data\Tab\\adopt.TAB', '\t') | ||
| + | adopt_data_Xax = adoption_scatterplot['Visa91'] | ||
| + | adopt_data_Yax = adoption_scatterplot['Visa92'] | ||
| + | plt.scatter(adopt_data_Xax, adopt_data_Yax, facecolor='y', edgecolor='y') | ||
| + | ax = plt.gca() | ||
| + | ax.set_xlabel('Number of Visas in 1991') | ||
| + | ax.set_ylim([0,1800]) | ||
| + | ax.set_xlim([0,2700]) | ||
| + | ax.set_ylabel('Number of Visas in 1992') | ||
| + | ax.set_title('ScatterPlot of Visa92 vs Visa91') | ||
| + | plt.show() | ||
| + | </code> | ||
| + | |||
python/first_course_statistics.txt · Dernière modification: 2017/09/26 08:54 par Francesco Beretta
