sleepStats.py 文件源码

def normalizedIntradayCountStats(intradayStats, limitCount=5):
    # For each minute, number of days for which we have a valid measure (record)
    notNullCount = intradayStats.count()
    # Ignore minutes where we have low level of records
    notNullCount[notNullCount < limitCount] = None
    # Count how many times each value appears for each minute
    valueCount = intradayStats.apply(pd.value_counts)
    # Normalize each minute by records count
    res = valueCount.div(notNullCount, axis=1)
    return res