์Šคํฌ์ธ ์นด ๊ฐ€๊ฒฉ ๋ฐ ์„ฑ๋Šฅ ์˜ˆ์ธก ๋ชจ๋ธ

์ด ๋ชจ๋ธ์€ ์Šคํฌ์ธ ์นด์˜ ๋‹ค์–‘ํ•œ ์ŠคํŽ™(์ œ์กฐ์‚ฌ, ์—ฐ์‹, ์—”์ง„ ํฌ๊ธฐ ๋“ฑ)์„ ๊ธฐ๋ฐ˜์œผ๋กœ ๊ฐ€๊ฒฉ, ๋งˆ๋ ฅ, ์ œ๋กœ๋ฐฑ์„ ์˜ˆ์ธกํ•˜๋Š” ๋”ฅ๋Ÿฌ๋‹ ๋ฐ ๋จธ์‹ ๋Ÿฌ๋‹ ๋ชจ๋ธ์„ ํฌํ•จํ•˜๊ณ  ์žˆ๋‹ค.

ํ”„๋กœ์ ํŠธ ๊ฐœ์š”

๋‹ค์–‘ํ•œ ์Šคํฌ์ธ ์นด ๋ฐ์ดํ„ฐ๋ฅผ ๋ถ„์„ํ•˜๊ณ , ์ตœ์ ์˜ ์˜ˆ์ธก ๋ชจ๋ธ์„ ์ฐพ๊ธฐ ์œ„ํ•ด ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ณผ์ •์„ ๊ฑฐ์ณค๋‹ค.

  1. ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ ๋ฐ ํ”ผ์ฒ˜ ์—”์ง€๋‹ˆ์–ด๋ง (GroupBy ํ™œ์šฉ)
  2. ๋”ฅ๋Ÿฌ๋‹(TensorFlow/Keras) ๋ฐ ๋จธ์‹ ๋Ÿฌ๋‹(XGBoost) ๋ชจ๋ธ ๊ตฌ์ถ•
  3. ํ•˜์ดํผํŒŒ๋ผ๋ฏธํ„ฐ ํŠœ๋‹์„ ํ†ตํ•œ ๋ชจ๋ธ ์ตœ์ ํ™”
  4. ๋‘ ๋ชจ๋ธ์˜ ์„ฑ๋Šฅ(MSE) ๋น„๊ต ๋ฐ ์ตœ์ข… ๋ชจ๋ธ ์„ ์ •

๋ชจ๋ธ (Models)

์ด ํ”„๋กœ์ ํŠธ๋Š” ๋‘ ๊ฐ€์ง€ ์ตœ์ ํ™”๋œ ๋ชจ๋ธ์„ ์ œ๊ณตํ•œ๋‹ค.

๋ชจ๋ธ ์ข…๋ฅ˜ ํŒŒ์ผ๋ช… ์ฃผ์š” ํŠน์ง•
๋”ฅ๋Ÿฌ๋‹ (Keras) best_model.keras ReLU ํ™œ์„ฑํ™” ํ•จ์ˆ˜์™€ Dropout์„ ์‚ฌ์šฉํ•œ 3-Layer ์‹ ๊ฒฝ๋ง
๋จธ์‹ ๋Ÿฌ๋‹ (XGBoost) xgboost-model.skops ํ•˜์ดํผํŒŒ๋ผ๋ฏธํ„ฐ ํŠœ๋‹์œผ๋กœ ์ตœ์ ํ™”๋œ Gradient Boosting ๋ชจ๋ธ

๋ชจ๋ธ ๊ตฌ์กฐ (๋”ฅ๋Ÿฌ๋‹)

๋ชจ๋ธ ๊ตฌ์กฐ

๋ฐ์ดํ„ฐ์…‹ (Dataset)

  • ๋ฐ์ดํ„ฐ ์ถœ์ฒ˜: Sports Car Price Dataset on Kaggle (์˜ˆ์‹œ ๋งํฌ)
  • ํƒ€๊ฒŸ ๋ณ€์ˆ˜ (์˜ˆ์ธก ๋Œ€์ƒ): ๊ฐ€๊ฒฉ(์›ํ™”), ๋งˆ๋ ฅ, ์ œ๋กœ๋ฐฑ (0-100km)
  • ์ฃผ์š” ํ”ผ์ฒ˜: ์ œ์กฐ์‚ฌ, ๋ชจ๋ธ, ์—ฐ์‹, ์—”์ง„ ํฌ๊ธฐ, ํ† ํฌ ๋“ฑ

์‚ฌ์šฉ ๋ฐฉ๋ฒ•

์ด ๋ชจ๋ธ์„ ๋ถˆ๋Ÿฌ์™€ ์‚ฌ์šฉํ•˜๋ ค๋ฉด tensorflow, xgboost, scikit-learn, skops ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๊ฐ€ ํ•„์š”ํ•˜๋‹ค.

XGBoost ๋ชจ๋ธ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ ๋ฐ ์˜ˆ์ธก

import skops.io as sio

# ์ €์žฅ์†Œ์—์„œ ๋ชจ๋ธ์„ ์ง์ ‘ ๋ถˆ๋Ÿฌ์˜ฌ ์ˆ˜ ์žˆ๋‹ค (๋˜๋Š” ๋‹ค์šด๋กœ๋“œ ํ›„)
# loaded_model = sio.load("hf://your-hf-username/your-repo-name/xgboost-model.skops")
loaded_model = sio.load("xgboost-model.skops")

# ์˜ˆ์ธกํ•  ๋ฐ์ดํ„ฐ๋ฅผ ์ค€๋น„ํ•œ๋‹ค (์ „์ฒ˜๋ฆฌ ๋ฐ ์Šค์ผ€์ผ๋ง ํ•„์š”)
# preprocessed_data = ...
# prediction = loaded_model.predict(preprocessed_data)
# print(prediction)

์ตœ์ข… ์„ฑ๋Šฅ

ํ•˜์ดํผํŒŒ๋ผ๋ฏธํ„ฐ ํŠœ๋‹ ํ›„, ๋‘ ๋ชจ๋ธ์˜ ํ…Œ์ŠคํŠธ ๋ฐ์ดํ„ฐ์…‹์— ๋Œ€ํ•œ ํ‰๊ท  ์ œ๊ณฑ ์˜ค์ฐจ(MSE)๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค.

  • (ํŠœ๋‹) ๋”ฅ๋Ÿฌ๋‹ ๋ชจ๋ธ MSE: 0.010617
  • (ํŠœ๋‹) XGBoost ๋ชจ๋ธ MSE: 0.010617

๋‘ ๋ชจ๋ธ์ด ๊ฑฐ์˜ ๋™์ผํ•œ ์ตœ๊ณ  ์„ฑ๋Šฅ์„ ๊ธฐ๋กํ–ˆ์œผ๋ฉฐ, ์ด๋Š” ๋ฐ์ดํ„ฐ์˜ ํŠน์„ฑ์„ ๊ฐ๊ธฐ ๋‹ค๋ฅธ ๋ฐฉ์‹์œผ๋กœ ์™„๋ฒฝํ•˜๊ฒŒ ํ•™์Šตํ–ˆ์Œ์„ ์‹œ์‚ฌํ•œ๋‹ค.

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