blog_index – Cliff's Document Repository

Python Visualization Catalog

Below is a compendium of visualizations created in Python. While I continue to much prefer using R for visualizations. It is simpler and probably a bit better than what you…

Global Temerature: Climate Change?

With the recent news that global high temperatures are breaking records and being annoyed by the Democrats fighting the Republicans whether this or is this or is not caused…

Data Storytelling, Again!

You can toggle to a light background using the toggle switch on the upper right next to the magnifying glass. I think the light option works best for this post.

Craft Beer

This document is best viewed in the light theme mode. If this document has a dark background, I suggest you toggle the theme by clicking on the toggle button on the top…

Training & Certification History

I have attempted to find all the training courses and certifications I have taken in the last 30+ years. I am sure this is not 100% but it does provide evidence of a…

Process Mining

Process mining is a relatively new discipline being used in enterprises to help them more accurately map and understand their processes. Once an organization accurately…

R Does Everything!

One of the reasons that I prefer R over other languages is there is a solution for everything because R has 18960 packages (as of 12/22/2022) for statistics, data analysis…

’R tables with `gt` and `gtExtras`

The {gt} extension already allowed to easily create tables from raw dataset, but now the {gtExtras} extension adds many customization options. Here we will illustrate the…

Dog Breeds by Popularity

Each year, Americans purchase nearly 1 million purebred dogs, ranging from the 34-inch tall great dane to the 6-pound affenpinscher. These dogs are registered through the…

’Female Nobel Laureates

An API is available to get the raw data needed from the relevant website.

’Visualizing Hurricane Paths

The data is freely available from the International Best Track Archive for Climate Stewardship (IBTrACS)[https://www.ncei.noaa.gov/products/international-best-track-archive]…

Data Storytelling Example

I found a great video from Storytelling with Data (SWD). In this video, a data storyteller demonstrates how a dataviz that does not demonstrate a clear story can be…

James Bond Movies

I enjoy James Bond movies. Got started by watching some of the earlier movies with my parents. I still watch each as it comes out. So let’s see how popular the movies are.

Python - NLP with BERT

In this notebook, we will fine-tune a pre-trained BERT model to perform sentiment analysis on a twitter data.

Do Not Fear Eigenvalues: Easy as Pie!

If you have reached my website (Note: This refers to an old website that now is not the focus of my attention), you likely know I spend A LOT of time using R and exploring…

P Values Controversy

Sadly, the concept of p-values and significance testing forms the very core of statistics. A number of us have been pointing out for decade that p-values are at best…

Correlation and Linear Regression

This is basic information but is required reading as later posts will focus on Causality and its advantages over machine learning in many use cases.

Python Streamlit Example

While I much prefer R and Shiny to publish solutions, I do not reject Python platforms for publishing data science projects. Below, I have used Pycaret and Steamlit to build…

Simpsons Paradox

Statistics are used much like a drunk uses a lampost: for support, not illumination.

Visualizing with a Transition Plot - Super Useful!

It’s closely related to the plotMat for plotting networks but aimed at less complex relations with only a one-way relation between two groups of states. Wait till you see…