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学生对 Johns Hopkins University 提供的 Getting and Cleaning Data 的评价和反馈

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8,070 个评分

课程概述

Before you can work with data you have to get some. This course will cover the basic ways that data can be obtained. The course will cover obtaining data from the web, from APIs, from databases and from colleagues in various formats. It will also cover the basics of data cleaning and how to make data “tidy”. Tidy data dramatically speed downstream data analysis tasks. The course will also cover the components of a complete data set including raw data, processing instructions, codebooks, and processed data. The course will cover the basics needed for collecting, cleaning, and sharing data....

热门审阅

HS

May 2, 2020

This course provides an introduction of some important concepts and tools on a very important aspect of data science: cleaning and organizing data before any analysis. A must for any data scientist.

BD

Oct 25, 2016

This course is really a challenging and compulsory for any one who wants to be a data scientist or working in any sort of data. It teaches you how to make very palatable data-set fro ma messy data.

筛选依据：

776 - Getting and Cleaning Data 的 800 个评论（共 1,313 个）

创建者 Joaquim M J

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Jun 17, 2017

Excelente

创建者 Rocio E R

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Sep 5, 2016

Excellent

创建者 saroj r

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May 9, 2016

i like it

创建者 Maria N G R

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Mar 7, 2016

amazing!!

创建者 Amit S

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Dec 16, 2015

excellent

创建者 AYAN B

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Sep 17, 2021

excelent

创建者 Ratanaporn

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Sep 26, 2019

Goog Job

创建者 Shahnawaz H

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Jul 16, 2018

Exellent

创建者 Ola “ G

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Mar 30, 2018

Great!!!

创建者 Tanuj

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Sep 28, 2017

Amazing!

创建者 Artem S A

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Apr 14, 2016

Noiiice!

创建者 CABIOCH N

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Apr 23, 2018

P

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r

f

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c

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创建者 Jawad A

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Jan 18, 2017

awesome

创建者 Felix B

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Feb 26, 2016

Like it

创建者 Sinan J H

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Feb 19, 2016

Perfect

创建者 [email protected] s

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Feb 18, 2019

thanks

创建者 Lisa N A ( L

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Nov 24, 2018

greaat

创建者 Alexander O

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Aug 16, 2018

All Ok

创建者 Prashant J

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Mar 30, 2017

Thanks

创建者 Sreenadhareddy G

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Oct 14, 2022

good

创建者 Octavio S

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Sep 27, 2022

GOOD

创建者 Wenwen X

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Oct 11, 2021

Good!

创建者 suprotik s

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Nov 29, 2020

Great

创建者 Toño G

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Nov 24, 2020

Great

创建者 Anand V

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Jan 29, 2017

Great