April 2019
Beginner to intermediate
480 pages
12h 34m
Korean
Content preview from 파이썬 라이브러리를 활용한 머신러닝(번역개정판): 사이킷런 핵심 개발자가 쓴 머신러닝과 데이터 과학 실무서
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
40
파이썬 라이브러리를 활용한 머신러닝(번역개정판)
1.7.1
데이터 적재
우리가 사용할 데이터셋은 머신러닝과 통계 분야에서 오래전부터 사용해온 붓꽃
iris
데이터셋입
니다. 이 데이터는
scikit
-
learn
의
datasets
모듈에 포함되어 있습니다.
load
_
iris
함수를 사
용해서 데이터를 적재하겠습니다.
In [10]:
from sklearn.datasets import load_iris
iris_dataset = load_iris()
load
_
iris
가 반환한
iris
객체는 파이썬의 딕셔너리
Dictionary
와 유사한
Bunch
클래스의 객체입
니다. 즉 키와 값으로 구성되어 있습니다.
In [11]:
print("iris_dataset의 키:\n", iris_dataset.keys())
Out [11]:
iris_dataset의 키:
dict_keys(['target_names', 'feature_names', 'DESCR', 'data', 'target'])
DESCR
키에는 데이터셋에 대한 간략한 설명이 들어 있습니다. 앞부분만 조금 살펴보겠습
니다.
In [12]:
print(iris_dataset['DESCR'][:193] + "\n...")
Out [12]:
Iris Plants Database
====================
Notes
----
Data ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.