Apache Spark ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«4. ç´ æœ´ãªå®Ÿè£… 3 frequency = defaultdict(int) for line in opened_file: for word in some_splitter(line): frequency[word] += 1 for word in frequency: some_output(word, frequency[word]) ファイル frequency メモリ㫠辞書/ãƒãƒƒã‚·ãƒ¥/ 連想é…列/Mapã‚’ æŒã¤é »åº¦(Pythonic) frequency = collections.Counter( word for line in opened_file for word in some_splitter(line)) for word, count in frequency.iteritems(): some_output(word, count)
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