[๋ฉด์ ‘ํ›„๊ธฐ] TextIQ

R&D Intern Summer 2022

Coding questions

  • 10 multiple choice questions
  • Supervised learning, cost functions, cross validation, gradient descent types, ridge & lasso regression, using n-gram as feature set when training text classification model, precision/recall/accuracy
  • Given array, replace 0 to mean of non zero column values
  • Normalization

ํ›„๊ธฐ

  • 2/11/22 ์ง€์›, 11์‹œ๊ฐ„๋งŒ์— ์ดˆ์Šคํ”ผ๋“œ ์ฝ”๋”ฉ์ธํ„ฐ๋ทฐ invitation
  • CodeSignal 75๋ถ„, 4์ผ
  • 2/13์— ์ œ์ถœ
  • ML ๊ธฐ๋ณธ ๊ฐœ๋… ๋ฉ€ํ‹ฐํ”Œ ์ดˆ์ด์Šค : ๊ทธ๋ž˜ํ”„ ๋ณด๊ณ  ์˜ณ์€ ๋ฌธ์žฅ ๊ณ ๋ฅด๊ธฐ, ์„ ํƒ์ง€๊ฐ€ 5๊ฐœ ์ด์ƒ์ด๊ณ  ๋งž๋Š” ๊ฑธ ๋ชจ๋‘ ๊ณ ๋ฅด๋Š” ์œ ํ˜•
  • ์ •๊ทœํ™”์—์„œ runtime error๋กœ ์‹œ๊ฐ„์ด ๋ชจ์ž๋žŒ.