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次元削減

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デノイジングと同じだけど、次元削減でもリークしがち。
きっちりスライディングウィンドウで特徴量を用意すればいいけど、ちょっとコストかかりすぎ。

  • 昨日までのデータでつくった昨日の特徴量
  • 今日までのデータでつくった昨日の特徴量

これが一致しないと、その特徴量は未来方向のデータに依存していることになる。
複雑なコードを追うのはしんどいけど、これなら脳死でも検証できる。
確認して欲しいなぁ。

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