Python mean_accumulator_reducer示例

示例#1

文件： q1.3.py 项目： Meuna/coursera-ccproject

def reducer(stream):
    dow_mean_delay = mapred.mean_accumulator_reducer(stream)

    for dow, mean_count in dow_mean_delay.iteritems():
        mapred.send(dow, mean_count)

示例#2

文件： q2.3.py 项目： Meuna/coursera-ccproject

def reducer(stream):
    depdest_carr_mean_delay = mapred.mean_accumulator_reducer(stream)

    for (origin, dest,
         carrier), mean_count in depdest_carr_mean_delay.iteritems():
        mapred.send((origin, dest, carrier), mean_count)

示例#3

def reducer(stream):
    carrier_mean_delay = mapred.mean_accumulator_reducer(stream)

    for carrier, mean_count in carrier_mean_delay.iteritems():
        mapred.send(carrier, mean_count)