twilog の統計情報から follower 数の変化を数値で取り出す方法

ある Twitter ユーザが Twilog に登録している場合、その人の follower 数の推移などを見ることができます。例えば僕の場合、@AkiraOkumura だと、ここに行けば↓こういうグラフが見られます。この blog に幾つか原発関連の記事を書いたりしたことで、震災以降に大きく follower 数が増えました。

▲ @AkiraOkumura の follower 数の推移。3.11 以降に増加し、一旦落ち着いて、なぜか忘れたけど再度増加。

一人だけのグラフを眺めているだけなら、twilog の生成した図を開けば済みますが、複数の人と比較したりするには、やはり元の数値を落としてきて自分で作図したいのが理系脳。さて、どうやるか。

1. まずは Twilog の統計情報を見る

最初に、http://twilog.org/AkiraOkumura/stats/7-3 のような統計情報を開かなくてはいけません。このようなページを開くことで、Twilog の server 側に統計情報の書かれた file が upload されます。

(このページに行かないと、上記の図も出ない可能性が大。)

2. akiraokumura-7-3.txt を開く

すると、http://twilog.org/chart-dir/a/akiraokumura-7-3.txt という text file が生成されます。この中に必要な情報が詰まっています。ここで注意が必要なのは、必ず http://twilog.org/AkiraOkumura/stats/7-3 を先に開かなくては駄目、ということ。

また、@AkiraOkumura の場合は chart-dir の次の階層が /a になり、また例えば @hayano の場合は /h になります。

3. 適当なソフトで作図する

↓中身は日付と人数の羅列です。

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適当なソフトで整形すれば、複数人の比較ができます。