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:
    rolling_mode.update(x)
    print(rolling_mode.get())

sunny
sunny
sunny
sunny
rainy
rainy
rainy

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

sunny
sunny
sunny
sunny
sunny
rainy
rainy

Methods¶

get

Return the current value of the statistic.

update

Update the called instance.

Parameters

x — numbers.Number