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RollingMode

Running mode over a window.

The mode is the most common value.

Parameters

  • window_size

    Type → int

    Size of the rolling window.

Attributes

  • counts (collections.defaultdict)

    Value counts.

Examples

from river import stats

X = ['sunny', 'sunny', 'sunny', 'rainy', 'rainy', 'rainy', 'rainy']
rolling_mode = stats.RollingMode(window_size=2)
for x in X:
    print(rolling_mode.update(x).get())

sunny
sunny
sunny
sunny
rainy
rainy
rainy


rolling_mode = stats.RollingMode(window_size=5)
for x in X:
    print(rolling_mode.update(x).get())

sunny
sunny
sunny
sunny
sunny
rainy
rainy

Methods

get

Return the current value of the statistic.

update

Update and return the called instance.

Parameters

  • x — 'numbers.Number'