Chevron Left
Voltar para Obtenção e Limpeza de Dados

Comentários e feedback de alunos de Obtenção e Limpeza de Dados da instituição Universidade Johns Hopkins

4.6
estrelas
7,885 classificações
1,295 avaliações

Sobre o curso

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....

Melhores avaliações

HS
2 de Mai de 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.

BE
25 de Out de 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.

Filtrar por:

1251 — 1258 de 1,258 Avaliações para o Obtenção e Limpeza de Dados

por abhishek s

25 de Fev de 2016

This is just because of the unclarity of the final assignment.

por Ian H

12 de Abr de 2018

Terrible! Go to Data Camp and save a bunch of money!!!!

por Ahmed H E

29 de Ago de 2019

the learning way in this course was bad, to me

por BabaK K

9 de Jan de 2019

It is more about R rather than data science

por Du Z

30 de Ago de 2017

Poor teaching! Almost a waste of time.

por JaeHyun L

5 de Nov de 2018

I don't think it's necessary lecture

por Ankit A

13 de Dez de 2016

lectures are too fast.dropping out.

por Alexandros T

5 de Ago de 2016

Poorly constracted course!