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RFM Analysis for customer segmentation based on transaction data

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๐Ÿ”Ž RFM Analysis for customer segmentation ๐Ÿ“ฆ

RFM Analysis for customer segmentation based on transaction data


ํฌ์Šค์ฝ” AI/Big Data ์•„์นด๋ฐ๋ฏธ์—์„œ ์ง„ํ–‰ํ•œ ํ”„๋กœ์ ํŠธ์ž…๋‹ˆ๋‹ค.

ํšŒ์›์ œ ์œ ํ†ต ๋งค์žฅ์˜ ๋งค์ถœ ์ฆ๋Œ€๋ฅผ ์œ„ํ•œ ๋ฐ์ดํ„ฐ ๋ถ„์„ ํ”„๋กœ์ ํŠธ์ž…๋‹ˆ๋‹ค.

RFM(์ตœ๊ทผ ๋ฐฉ๋ฌธ์ผ, ๋ฐฉ๋ฌธ ๋นˆ๋„, ์†Œ๋น„ ๊ทœ๋ชจ)๋ฅผ ์ด์šฉํ•˜์—ฌ ๊ณ ๊ฐ ์„ธ๋ถ„ํ™”๋ฅผ ์ง„ํ–‰ํ•˜๊ณ  ์—ฐ๊ด€ ๊ทœ์น™ ๋ฐ word2vec์„ ์ด์šฉํ•˜์—ฌ ์—ฐ๊ด€ ์ œํ’ˆ ์ถ”์ฒœ ์„œ๋น„์Šค๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.


๐Ÿ‘ช 1 ) RFM์„ ์ด์šฉํ•œ ๊ณ ๊ฐ ์„ธ๋ถ„ํ™”

" 6๊ฐœ์›”๋™์•ˆ 3์ผ์— ํ•œ ๋ฒˆ ์”ฉ ๋ฐฉ๋ฌธํ•ด์„œ ๋งค๋ฒˆ 2๋งŒ์› ์ด์ƒ์”ฉ ์†Œ๋น„ํ•œ ๋‹น์‹ ์€ ์ถฉ์„ฑ ๊ณ ๊ฐ ! "

ํ–‰๋ณต ๊ทธ๋ฆฐ ๋งค์žฅ์— ๋ฐฉ๋ฌธํ•˜๋Š” ๊ณ ๊ฐ๋“ค์˜ ์ตœ๊ทผ ๋ฐฉ๋ฌธ์ผ(Recency), ๋ฐฉ๋ฌธ ๋นˆ๋„(Frequency), ์†Œ๋น„ ๊ทœ๋ชจ(Monetary)๋ฅผ ํƒ์ƒ‰ํ•˜์—ฌ ๋‹ค์Œ ๋‘ ๋ชฉํ‘œ๋ฅผ ๋‹ฌ์„ฑํ•œ๋‹ค.

1. ์ƒˆ๋กœ์šด ๋“ฑ๊ธ‰ ์ฒด๊ณ„๋ฅผ ๋งŒ๋“ ๋‹ค.
	๊ธฐ์กด์˜ ๋“ฑ๊ธ‰ ๋ถ„๋ฅ˜๊ฐ€ ๊ณ ๊ฐ ๊ฐ€์น˜๋ฅผ ์ œ๋Œ€๋กœ ๋ฐ˜์˜ํ•˜์ง€ ๋ชปํ•˜๊ณ  ์žˆ์Œ์„ ๋ฐํžˆ๊ณ ,
  ์ƒˆ๋กœ์šด ๋“ฑ๊ธ‰ ๊ธฐ์ค€์„ ๋งˆ๋ จํ•˜์—ฌ ๊ณ ๊ฐ์˜ ์ถฉ์„ฑ๋„์— ๋”ฐ๋ผ ์ ์ ˆํ•œ ํ˜œํƒ์„ ์ œ๊ณตํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•œ๋‹ค.

2. ํŒจํ„ด์— ๋”ฐ๋ผ ๊ณ ๊ฐ์„ ๋ถ„๋ฅ˜ํ•œ๋‹ค.
	RFM ์ ์ˆ˜๋ฅผ ์ด์šฉํ•˜์—ฌ <์ž์ฃผ ๋ฐฉ๋ฌธํ•˜์ง€๋งŒ ํฐ ๊ธˆ์•ก์„ ์“ฐ์ง€ ์•Š๋Š” ๊ณ ๊ฐ๊ตฐ>, <์ถฉ์„ฑ ๊ณ ๊ฐ์ด์—ˆ์œผ๋‚˜ ์ดํƒˆํ•œ ๊ณ ๊ฐ๊ตฐ>, <๊ด€์‹ฌ์„ ๊ฐ–๊ธฐ ์‹œ์ž‘ํ•œ ์‹ ๊ทœ ๊ณ ๊ฐ๊ตฐ> ๋“ฑ์œผ๋กœ ๊ณ ๊ฐ์„ ๋ถ„๋ฅ˜ํ•˜๊ณ ,
	๊ณ ๊ฐ๋“ค์˜ ํ–‰๋™ ํŒจํ„ด์— ๋”ฐ๋ผ ์ถฉ์„ฑ ์ „ํ™˜ ์ •์ฑ… / ์ดํƒˆ ๋ฐฉ์ง€ ์ •์ฑ…์„ ์ˆ˜๋ฆฝํ•œ๋‹ค.

Note

  • RFM ๋ถ„์„์„ ์œ„ํ•œ class๋ฅผ ๋งŒ๋“ค์—ˆ์Šต๋‹ˆ๋‹ค. ๊ธฐ๋Šฅ์€ ์•„๋ž˜์™€ ๊ฐ™์Šต๋‹ˆ๋‹ค.

    R,F,M์„ ๊ฐ€์ค‘ํ•ฉ ํ•˜๋Š” ๋ฐฉ๋ฒ•์€ ๋‹ค์–‘ํ•ฉ๋‹ˆ๋‹ค. ํ•ด๋‹น ๋ถ„์„์—์„œ๋Š” ๋งค์ถœ ๊ธฐ์—ฌ๋„๋ฅผ ๊ณ ๋ คํ•˜์—ฌ ๊ฐ€์ค‘์น˜๋ฅผ ๊ณ„์‚ฐํ•˜์˜€์Šต๋‹ˆ๋‹ค.

    1. ๊ณ ๊ฐ๋ณ„ Recency, Frequency, Monetary๋ฅผ ๊ณ„์‚ฐํ•ฉ๋‹ˆ๋‹ค.
    2. ๊ฐ class๋ณ„ ๋งค์ถœ ๊ธฐ์—ฌ๋„๋ฅผ ๊ณ„์‚ฐํ•ฉ๋‹ˆ๋‹ค.
    3. ๋งค์ถœ ๊ธฐ์—ฌ๋„๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ R,F,M๋ณ„ ๊ฐ€์ค‘์น˜๋ฅผ ๊ณ„์‚ฐํ•ฉ๋‹ˆ๋‹ค.
    4. R,F,M์˜ ๊ฐ€์ค‘ํ•ฉ์„ ์ด์šฉํ•˜์—ฌ ๋“ฑ๊ธ‰์„ ๋ถ„๋ฅ˜ํ•ฉ๋‹ˆ๋‹ค.
    5. R,F,M ๊ฐ๊ฐ์„ ๊ณ ๋ คํ•˜์—ฌ K-means clustering์„ ์‹ค์‹œํ•ฉ๋‹ˆ๋‹ค.

Reference

  • RFM์—์„œ๋“ฑ๊ธ‰ ๋ถ€์—ฌ ๋ฐฉ๋ฒ•์—๊ด€ํ•œ ์—ฐ๊ตฌ(๋ฅ˜๊ท€์—ด, ๋ฌธ์˜์ˆ˜/2013)

๐Ÿ›’ 2 ) ์ œํ’ˆ ์ถ”์ฒœ ์„œ๋น„์Šค

" 50๋Œ€ ์—ฌ์„ฑ๋“ค์ด ์ƒ์ฝฉ๊ฐ€๋ฃจ์™€ ๋‘๋ถ€๋ฅผ ๋งŽ์ด ์‚ฌ๋Š” ์ด์œ ๋Š” ๋ฌด์—‡์ผ๊นŒ? "
์—ฐ๊ด€ ๊ทœ์น™์„ ํ†ตํ•ด 50๋Œ€ ์—ฌ์„ฑ์ด ์ƒ์ฝฉ๊ฐ€๋ฃจ์™€ ๋‘๋ถ€๋ฅผ ํ•จ๊ป˜ ์ž์ฃผ ์‚ฌ๊ณ  ์žˆ์Œ์„ ํŒŒ์•…ํ•˜๊ณ , < ๋œ์žฅ์ฐŒ๊ฐœ๋ฅผ ์œ„ํ•œ ์žฌ๋ฃŒ๋งŒ ๋ชจ์•˜์–ด์š”. > ์™€ ๊ฐ™์€ ๋ฌถ์Œ ์ƒํ’ˆ ํŒ๋งค ์ „๋žต์— ์ด์šฉํ•œ๋‹ค.

" ๊น€๊ณผ ๋ˆ๊นŒ์Šค ์†Œ์Šค, ๊ณผ์ž๋ฅผ ๊ฐ™์ด ์‚ฐ ๋‹น์‹  ! ํ˜น์‹œ ์†Œํ’์„ ๊ณ„ํšํ•˜๊ณ  ์žˆ์ง€ ์•Š๋‚˜์š”? "
word2vec์„ ํ†ตํ•ด ํ•จ๊ป˜ ์ž์ฃผ ๋‹ด๊ธฐ๋Š” ์‹ํ’ˆ์„ ํŒŒ์•…ํ•˜๊ณ , ๋ฌถ์Œ ์ƒํ’ˆ๊ณผ ํ”„๋กœ๋ชจ์…˜ ์ „๋žต์— ์ด์šฉํ•œ๋‹ค.

" ์šฐ์œ ์™€ ์š”๊ตฌ๋ฅดํŠธ๋Š” ๊ฐ€๊นŒ์šด ์œ„์น˜์— ์ง„์—ดํ•˜์ž. "
word2vec์„ ํ†ตํ•ด ํ•จ๊ป˜ ์ž์ฃผ ๋‹ด๊ธฐ๋Š” ์‹ํ’ˆ์„ ํŒŒ์•…ํ•˜๊ณ  ๋งค์žฅ ์ง„์—ด์— ๋ฐ˜์˜ํ•œ๋‹ค.

๐Ÿ™‹๐Ÿปโ€โ™€๏ธ ์—ญํ• 

  • ๊ณ ๊ฐ ๋ถ„๋ฅ˜ ๋ฐฉ๋ฒ•๊ณผ ๊ด€๋ จ๋œ ๋…ผ๋ฌธ ํƒ์ƒ‰ ๋ฐ ๊ตฌํ˜„
  • ๊ณ ๊ฐ ๋“ฑ๊ธ‰ ์žฌ๋ถ„๋ฅ˜๋ฅผ ์œ„ํ•œ ์ƒˆ๋กœ์šด ๋ชจ๋ธ ํƒ์ƒ‰ ๋ฐ ๊ตฌํ˜„
  • ์—ฐ๊ด€ ๋ถ„์„/word2vec์„ ์ด์šฉํ•œ ์ƒํ’ˆ ์ถ”์ฒœ ์„œ๋น„์Šค ๊ตฌํ˜„

๐Ÿ”‘ ์‚ฌ์šฉ ๊ธฐ์ˆ  ๊ด€๋ จ ํ‚ค์›Œ๋“œ

  • K-means Clustering
  • Association rule
  • item2Vec
  • Decision Tree

๐Ÿ’ป ๊ฐœ๋ฐœ ํ™˜๊ฒฝ

  • ์‚ฌ์šฉ ์–ธ์–ด : Python3
  • ๊ฐœ๋ฐœ ํ™˜๊ฒฝ : Jupyter Notebook, Colab Pro, Linux
  • ์ง„ํ–‰ ๊ธฐ๊ฐ„ : 2020.02.19 ~ 2020.05.06
    • ํ•ด๋‹น ํ”„๋กœ์ ํŠธ๋Š” ์ฝ”๋กœ๋‚˜๋กœ ์ธํ•˜์—ฌ 2์›” 24์ผ๋ถ€ํ„ฐ ์ค‘๋‹จ ๋˜์—ˆ๋‹ค๊ฐ€ 4์›” 28์ผ๋ถ€ํ„ฐ ์˜จ๋ผ์ธ์œผ๋กœ ์žฌ๊ฐœ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

๐Ÿ” ๋” ์ž์„ธํ•œ ์„ค๋ช… ๋ณด๋Ÿฌ๊ฐ€๊ธฐ

๋ถ„์„์„ ํ•˜๋ฉฐ ๋งŒ๋‚ฌ๋˜ ๋ฌธ์ œ์™€ ์ƒ๊ฐ์„ ์ž์„ธํžˆ ๋‹ด์•˜์Šต๋‹ˆ๋‹ค. ๊ณ ๊ฐ ํ‰๊ฐ€ ์ง€ํ‘œ, RFM ๋ถ„์„ํ•˜๊ธฐ

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RFM Analysis for customer segmentation based on transaction data


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