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DATA DOUBLE CONFIRM

DATA DIVE DAYS

Process and product of various data science tasks— from data collection, data preparation, data visualization, to basic statistical analysis and modelling. Datasets for practice available.

Selected as Top 100 Data Science Resources for 2018/2019

on MastersInDataScience.com

Oct 26, 2020

Handling None and NaN in Pandas - Python

The other day as I was reading in a data from BigQuery into pandas dataframe, I realised the data type for column containing all nulls...

EuroPython 2020 Presentation - Announcement

Jun 13, 2020

EuroPython 2020 Presentation - Announcement

For the latest call for proposals to include other timezones from Asia Pacific and Americas, I decided to submit a talk and am glad that...

Data cleaning - Process - Python

Jun 26, 2018

Data cleaning - Process - Python

This post is a replicate of the previous post on R but using Python this time round. However, note that there is a difference in data...

Data cleaning - Process - R

Jun 16, 2018

Data cleaning - Process - R

Data cleaning is one of the most important tasks in data science but it is unglamorous, underappreciated and under-discussed. These are...

Data preparation for scraped data - Process - Excel

Jan 30, 2018

Data preparation for scraped data - Process - Excel

This is Part II of a four-part post. Part I talks about scraping data from a website (bookdepository.com, in this case) while Part II...