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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：

676 - Getting and Cleaning Data 的 700 个评论（共 1,313 个）

创建者 Iair M L S J

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Jan 18, 2017

awesome proyect

创建者 Bindiya S

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May 19, 2016

Perfect content

创建者 Ariel F

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Oct 23, 2022

great course!

创建者 Agustin

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Oct 27, 2020

Great course!!

创建者 Max

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Sep 28, 2020

Awesome course

创建者 Mario A C A

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Jul 30, 2020

Me gusto mucho

创建者 Paulo F

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Feb 20, 2020

Very helpfull!

创建者 Khangjrakpam A

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Feb 19, 2020

learnt a lot!!

创建者 Randall J

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Sep 15, 2019

很实用的课程，课程安排很用心

创建者 Pasha T

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Feb 21, 2018

Amazing class!

创建者 GIDEON O

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Nov 25, 2017

Great Course !

创建者 Antonio M P

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Aug 30, 2017

Great training

创建者 Larry G

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Feb 7, 2017

kind of simple

创建者 Sanduni J

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Nov 21, 2016

Very helpfull.

创建者 Ramprabhu N

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Feb 10, 2016

A Great one ..

创建者 Jun L

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Oct 6, 2020

learned a lot

创建者 Roque R

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Jul 24, 2020

Great course!

创建者 Johan V M

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May 25, 2020

Great course!

创建者 José C

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Nov 3, 2019

Great course!

创建者 André M

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Aug 20, 2019

Great Course!

创建者 Nada G

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Jan 31, 2018

Great course!

创建者 Sandra G

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Dec 14, 2017

Great course!

创建者 Haoxiang Z

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Nov 3, 2017

Learned a lot

创建者 WANG H

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Oct 23, 2017

Good course !

创建者 Doug A

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Oct 8, 2017

Great course.