![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhC6KcV45s-qORqjRAqRCxLRrc7gRB08O9in1Wa5y18ay8khzuLyv9L8CllX6KYxhm9EUZZJND308B1IDMtuo0GVOOdgGjp8hz9-WkzaVBunhuXmJ2wEwUxPf2Cc-9a4Vj0xSkicFoAyOk/s640/%25EB%258B%25A8%25EB%258B%25A8%25ED%2595%259C%25EB%25A8%25B8%25EC%258B%25A0%25EB%259F%25AC%25EB%258B%259D2.jpg)
한국에서는 잘 알려지지 않았지만, 세계적으로 떠오르는 AI 강대국 중국의
베스트셀러 <단단한 머신러닝>. 코딩보다는 수학적으로 엄밀하게
머신러닝 전반을 개괄하는 책이다. 쉬운 책은 절대 아니지만, 수식을 중심으로
차근차근 진행되는 설명을 따라가다 보면 많은 것을 얻을 수 있다. 매주 온라인
스터디를 진행하고 있는데, 이 포스팅에서는 스터디를 준비하며 요약 정리한
노트 필기를 공유한다.
- CHAPTER 02 모델 평가 및 선택
2.1 경험 오차 및 과적합
2.2 평가 방법
2.3 모델 성능 측정
2.4 비교 검증
2.5 편향과 분산
2.2 평가 방법
2.3 모델 성능 측정
2.4 비교 검증
2.5 편향과 분산
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi8i7jRdKAFh3Fdykblfs7WHBWZfW-4ozsMJKD2Sx953kinXj0s6WsnKw5s6_RHD6a7oFdORQDcWlCVODlSh6O4r5kPd5UsHLu6-iYT7OvRXeVGQYhKnrIcDjQZvuc6Xc2uPJxspVMHeHw/s2048/Page1.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiwaAPBS0GgqMutn5LkVgUPm6GdFfSR9-9h3nezum_vIZShLUY8F42Lcv0GyCi7XtTw2g0MWKr56dtZFryAsXX6Uj7Oyt61EGv74E8xXbYOoSRXGnouGccgKrR8ce18ra-t-smb5gOlkd0/s2048/Page2.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRcu9ifjBb_erSBWM-9cvVOwxm1fKPOUl6oGttgjmcOC9bZRQT2roOuEO17B4iAw1gSkyORUq_RvUFQ7eti9fNG_kbSwvYSvvlFXYl8AdPl0ICxI9fW0RUGe2Pa_nZJERjBJwhPI-cfBY/s2048/Page3.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsnviakjkYeWD4H-30noPyHRLW3A_j9iynkVGUV41fiy4orIVJgiA3Vz5xQ1MHgioLLgF1auBkzLG4b7y7kDK7ElNpUPudExalgVmnwJ9SIbFwXcINxvZ12iBZxHrMxy74kA43F0Sj0Co/s2048/Page4.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3ptNzCF7fdb5p4hedBDSXkOR_SUljq0zMO-CGco6xDgyaCOzZdmPISoQ_EtZe7w60kda-j0f8-rIurMNJR69FNF1x4tq85lV_nrLgS2VkI9CSxc9DDpG_WQtOaNnEp0a0YWwJ0pekLKw/s2048/Page5.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfNqhtwKAGRz9YO6bvF9uqqPNQlTWlNH7nbByabQm7Q6bboADQ3z36VtyDHyFTTWUyfPdL04k-BOVtO-GsBTVEbUVm_Au7YSTXSZhVOUQEpT5LVn5rEZyjKBcpdS59qA4h-dRbtOAcpIc/s2048/Page6.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5YfX_CGYaTc71uDZ-TI6BJnxWhbmopJR3k8LxnGi3bXN8wAQjudrrZEc9FXHTLODYyFkXnT6nkVpzyMPg3JZFFYkp1LP-1rgladnH_cTI7y73iKV2zn6QWNIBy6cKjH8Inm8GZMYd8gE/s2048/Page7.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2Sv6GlTUi16ns12UZg8V-FgPEhZD-elJJeD64Rl0a0mkKHldjh5aKBO9B0LRxZE-ANRqzulI4Bm7uedt5l7SA4jHfYKoUvSkgdt9nBZ7nF6AvpVt1gPHhd0kIqlefrPxQp_zAPlIIpYY/s2048/Page8.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIZOtttwxL6DqSCYT7qU6sJPF_SZjeTbL5h12cZOa88of8LNAjgMeAam-b0Jc8hSNI7CcZz8SR_UCoBgaGZbp7xErz4tSJuVisAs207mDsfP_gXuKjcMo_I9O6zNYAayvjmxWuQKciJNY/s2048/Page9.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaTPPoTtfdQiy_uvGtvy045r5-488e3Z1JyP78FjFBZVEz38-c6faxOKaQnfoDwEgaPFeU6vJhB5zx_8Er1ieFnLGNAV8P5QChr7gJNtqL-sfPJRZUMhS9UVDbYGJqEU3BQv4-d1EN0qM/s2048/Page10.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgh6VG370B9v1vtpVIN5w1nM30gnYRdYcYSjjw_JN8E09UQoC4RHFmTkeVVQvhEg6czY2r1wyb0gaRT5_jAnpKoxnpDXyWWwq_SF5hM0xwOvH67SpFXs7gpcjyvGOM8czJmtju5Kvxrmoc/s2048/Page11.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiA3b3YRwUDybiRN5W6WpCzHNmxTsmzk8OqaM5KIejq_UwJO_tzZM34eQa9jsOKu4MgoXC1XfDwSxRWn0CrKg7AJkCP3PiDHoEoqM6vTrvDvNxD7oEOQyO82tXRFxDzd0E4YNoZOZHmIEM/s2048/Page12.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTZ3zBkphUIs1AjU6-iVBzft41AkU4aK_N8tI3p9MGqR-PcyR2rs_i_uHD33tpwjrLxtZPMl1xq92n2p4N8QQGquXd18e9_DQru2d6gwc1v8EEV5ocU5tFQeKU378c7UDN7JzWHgJ-INI/s2048/Page13.png)
4 댓글
Philgineer님! 열공하는 모습 보기 좋아요.^^
답글삭제응원 감사합니다^^
삭제분산 편향부분에 왜 0이 되는지 이해가 안갔는데 여기 강의에서 설명해주시네요
답글삭제기호가 좀 다르지만 해석하기에는 문제없을꺼 같습니다.
https://youtu.be/Z5OBe53NgPk?t=672
좋은 자료 공유 감사합니다! 동영상 시작 시간까지 맞춰주셨네요 :)
삭제