rainsunny

# Copyright (c) 2017 Cary Kempston

# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:

# The above copyright notice and this permission notice shall be included in all

rainsunny

%matplotlib inline

buckets = [-87.0, -15, 0, 30, 120]
rdd_histogram_data = ml_bucketized_features\
  .select("ArrDelay")\
  .rdd\
  .flatMap(lambda x: x)\
  .histogram(buckets)

create_hist(rdd_histogram_data)

rainsunny

参考资料

• http://bbs.et8.net/bbs/showthread.php?t=568472
• http://www.ruanyifeng.com/blog/2011/09/curl.html

下载单个文件，默认将输出打印到标准输出中(STDOUT)中

curl http://www.centos.org