間欠泉の噴出をクラスタ化する
オールド・フェイスフル・ガイザーの噴出特性を可視化する.
In[1]:=
![Click for copyable input](assets.ja/cluster-geyser-eruptions/In_31.png)
eruptions = ExampleData[{"Statistics", "OldFaithful"}];
ListPlot[eruptions,
FrameLabel -> {"Eruption time in minutes",
"Waiting time to next eruption in minutes"}, Frame -> True]
Out[1]=
![](assets.ja/cluster-geyser-eruptions/O_24.png)
噴出を分割する分類子を計算する.
In[2]:=
![Click for copyable input](assets.ja/cluster-geyser-eruptions/In_32.png)
c = ClusterClassify[eruptions]
Out[2]=
![](assets.ja/cluster-geyser-eruptions/O_25.png)
クラスタを可視化する.
In[3]:=
![Click for copyable input](assets.ja/cluster-geyser-eruptions/In_33.png)
clusters = GatherBy[eruptions, c];
ListPlot[clusters,
FrameLabel -> {"Eruption time in minutes",
"Waiting time to next eruption in minutes"}, Frame -> True]
Out[3]=
![](assets.ja/cluster-geyser-eruptions/O_26.png)