posts

blogs

Econometrics: R introduction

econometrics
instrumental variables
quasi-experiments
RCTs
R
A number of assumptions underlying ordinary least square (OLS) regression come into close scrutiny under multiple linear regressions. Key assumptions include linearity…
Jan 21, 2026
Basil Okola

Surveys: Design and Analysis

biostatistics
survey design
Provided by {srvyrexploR} library. The first is America’s elections data.
Jan 15, 2026
Basil Okola
 

Adaptive Methods for Clinical Trials

biostatistics
adaptive designs
interim analysis
simulations

A simulation approach to adaptive clinical trial designs

Jan 12, 2026
Basil Okola
 

Interactive maps (R)

ggplot2
plotly
echarts4r
ggiraph
widgetframe
This document explores making interactive maps using R. There are a number of R packages that can be used to generate such visualizations. We consider just a small number…
Oct 30, 2025
Basil Okola

Publication ready visualization in R

ggplot2
cowplot
BibTeX citation:
@online{okola2025,
  author = {Okola, Basil},
  title = {Publication Ready Visualization in {R}},
  date = {2025-10-29},
  url =…
Oct 29, 2025
Basil Okola

End-to-end Data Engineering with Python DuckDB, Google Cloud, dbt

Quarto
Python
beautifulsoup
scrapy
scrapingBee

Part 1: Data Ingestion

Aug 8, 2025
Basil Okola

Web Scraping with Python

Quarto
Python
beautifulsoup
scrapy
scrapingBee

Scraping data from the web using {beautifulsoup4}, {requests}, {ScrapingBee}, and {Scrapy}

Aug 3, 2025
Basil Okola

End-to-end Machine Learning (MLflow + Docker + Google Cloud)

Quarto
Python
MLflow

Machine learning Workflow using MLflow locally and pushing image to google cloud

Aug 2, 2025
Basil Okola
 

R package development guide

Quarto
R
packages

Writing R packages using devtools, roxygen2 and usethis packages

Dec 16, 2023
Basil Okola
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