Note
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Example: Masked statisticsΒΆ
Plot a masked statistics
import numpy as np
import matplotlib.pyplot as plt
data = np.loadtxt("../../../../data/populations.txt")
populations = np.ma.masked_array(data[:, 1:]) # type: ignore[var-annotated]
year = data[:, 0]
bad_years = ((year >= 1903) & (year <= 1910)) | ((year >= 1917) & (year <= 1918))
populations[bad_years, 0] = np.ma.masked
populations[bad_years, 1] = np.ma.masked
plt.plot(year, populations, "o-")
plt.show()
Total running time of the script: (0 minutes 0.061 seconds)