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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：

601 - Getting and Cleaning Data 的 625 个评论（共 1,313 个）

创建者 Cheng Z

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Jan 2, 2017

Very useful and helpful

创建者 Nathan M

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Jun 11, 2016

Extraordinarily useful!

创建者 Zhou c

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Jan 14, 2020

well-organized course!

创建者 Swetha K

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Jul 25, 2018

Good one for beginners

创建者 Andrei T

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Feb 19, 2018

Fantastisc course!!!!!

创建者 Divvya T

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Oct 30, 2017

Great course to take !

创建者 Erich F G

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Oct 18, 2017

Very Challenging class

创建者 Michael A

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Aug 27, 2017

Very enjoyable course!

创建者 Johannes K

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Dec 3, 2018

Really helpful course

创建者 Benjamin

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May 16, 2016

A really good course!

创建者 Nihal S G

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Nov 13, 2022

very nice experinece

创建者 Shishir S P

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Aug 31, 2020

Enjoyed this course.

创建者 Mohamed D

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Jan 22, 2020

Very easy to follow.

创建者 燕欣

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May 29, 2019

the project is good!

创建者 Anand S

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Aug 13, 2018

Good course and pace

创建者 Abhishek S

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Jan 25, 2018

nice learning course

创建者 Marco A I E

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Aug 3, 2017

Challenging and Fun!

创建者 Saravanan

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Mar 2, 2017

Useful course for me

创建者 yuanxiaohui

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Nov 10, 2016

Really great course!

创建者 Noel C

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Jul 26, 2020

Excellent teachers!

创建者 Milton A A

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Jun 16, 2018

A very nice course!

创建者 MICHEL R

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Jan 30, 2018

Very useful content

创建者 Veronica F V M

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Oct 2, 2017

I enjoy it a lot!!!

创建者 Marina Z

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Jul 26, 2017

just a great course

创建者 陈莹

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Sep 15, 2016

Informative lesson!