Ray Sun
Home
Projects
Posts
Contact
Posts
Statistical distribution
Statistical distributions and simulations
Ray Sun
Apr 21, 2021
11 min read
python
,
statistics
,
distribution
Two-table Verbs in Pandas
Two tables verbs in pandas
Ray Sun
Apr 12, 2021
5 min read
pandas
,
python
Train many models using group by via purrr package
Train many models in a group by model using the purrr package
Ray Sun
Jun 19, 2020
3 min read
R
Viz data table in R
Examples to visualise data table in R and make it interactive
Ray Sun
Jun 10, 2020
2 min read
R
Data visualisation with R ggplot2
A quick demo to use ggplot2 package for data visualisation
Ray Sun
May 28, 2020
12 min read
R
Pivot table in R
Like Excel pivot tables? Use R to do it.
Ray Sun
May 28, 2020
7 min read
R
SQL R and Python Data manipulation
These are fantastic tools to use when working with data.
Ray Sun
May 28, 2020
10 min read
R
,
python
,
pandas
,
dplyr
,
sql
Split-apply-combine in R
Split-apply-combine is a must-have skill for data wrangling
Ray Sun
May 28, 2020
2 min read
R
An example of power analysis and hypothesis test
Context In order to measure the effectiveness of a marketing campaign, customers need to be randomly split into two groups, target …
Feb 15, 2020
3 min read
Display Jupyter Notebooks with Academic
Learn how to blog in Academic using Jupyter notebooks
Ray Sun
Feb 5, 2019
1 min read
»
Cite
×