Outils pour utilisateurs
python:first_course_statistics
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python:first_course_statistics [2016/10/08 13:24] Beretta, Anna Letizia |
python:first_course_statistics [2016/10/09 23:21] Francesco Beretta [General instructions] |
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| Ligne 1: | Ligne 1: | ||
| + | ====== General instructions ====== | ||
| + | Read following important documentation about: | ||
| + | * pandas [[http://pandas.pydata.org/pandas-docs/stable/dsintro.html#dataframe|dataframes]] | ||
| + | * [[http://matplotlib.org/api/pyplot_summary.html|matplotlib.pyplot]] | ||
| + | Save your scripts in a folder inside the data folder, calling the script folder 'my_scripts' or whaterver. If 'my-scripts' is set as your [[python:generic_features#get_the_current_working_directory_address|current working directory]], then the data files are available under this address '../[data file]', for instantce: '../geyser1.TAB' | ||
| + | \\ | ||
| ====== Eruptions of the "Old Faithful" geyser (p.5) ====== | ====== Eruptions of the "Old Faithful" geyser (p.5) ====== | ||
| + | \\ | ||
| ===== Histogram (p.5) ===== | ===== Histogram (p.5) ===== | ||
| - | This is my first function. | + | FB: this script works fine ! |
| <code python> | <code python> | ||
| - | # fake code – to be deleted | + | import pandas as pd |
| - | import csv | + | import matplotlib.pyplot as plt |
| + | gys1 = pd.DataFrame(pd.read_csv('../geyser1.TAB', '\t')) | ||
| + | g_int = gys1['Interval'] | ||
| + | ax = plt.gca() | ||
| + | ax.hist(g_int, bins=20, color='r') | ||
| + | ax.set_xlabel('Intereruption time') | ||
| + | ax.set_ylabel('Frequency') | ||
| + | ax.set_title('Histogram') | ||
| + | plt.show() | ||
| + | </code> | ||
| - | csvfile = open('D:\data-wrangling-master\data-wrangling-master\data\chp3\data-text.csv', 'rb') | ||
| - | reader = csv.reader(csvfile) | ||
| - | |||
| - | for row in reader: | ||
| - | print(row) | ||
| - | </code> | ||
| + | \\ | ||
| ====== International adoption rates (p.13) ====== | ====== International adoption rates (p.13) ====== | ||
python/first_course_statistics.txt · Dernière modification: 2017/09/26 08:54 par Francesco Beretta
