Bad Data Handbook的笔记(25)

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    Thou Shalt Analyze for Analysis’ Sake Only 作者脑残么?什么Thou,Shalt,fk   (6回应)

    2012-12-06 19:03

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    仅仅处理数据的第2列: $ cat sample2.txt | cut -f2 | sort | uniq -c 这里的cut命令语法比较怪异。 也可以用awk(语法比较直观一点): $ cat sample2.txt | \ awk '{print $2}' | sort | uniq -c

    2012-12-06 09:44

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    Good Enough??4C's 1. Complete: Is everything here that’s supposed to be here? 2. Coherent: Does all of the data “add up?” 3. Correct: Are these, in fact, the right values? 4. aCcountable: Can we trace the data?

    2012-12-06 19:05

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    Myth 4: Cloud Computing Makes Horizontal Scaling Easy ——作者觉得云也不是银弹,在scale out上一样会遇到新的问题

    2012-12-06 19:01

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    Navigating the Graph with Gremlin Using Gremlin, we can define the allocations for the three asset allocations we’ve ex‐ plored. We can start exploring the graph using the Gremlin Groovy console and a Tin‐ kerGraph, an in-memory graph useful for experimental sessions: Gremlin?以前好像哪里看到过

    2012-12-06 19:00

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    CouchDB provided a poor debugging experience for developing mappers and reducers. I had no idea how to interpret the Erlang/OTP stacktraces. 作者在吐槽Erlang的错误处理?

    2012-12-06 16:42

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    i says to π “Be rational.” π replies “Get real!” 靠!

    2012-12-06 16:17

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    The sample collection process is known as “biological monitoring.” This is because when the occupational hygienists get home and their partners ask “How was your day?,” “I’ve been biological monitoring, darling” is more respectable to say than “I spent all day getting welders to wee into a vial.” 果然很扯淡。

    2012-12-06 16:05

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    Example 3: When “Typical” Does Not Mean “Average” —— 作者想说明一下长尾理论???

    2012-12-06 15:58

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    This is extremely important: to gain insight that goes beyond the merely descriptive, we need to formulate a prescriptive statement.

    2012-12-06 15:53

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Bad Data Handbook

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