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Dinesh Vatvani

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Analysis of a WhatsApp chat log

Introduction With the ever-increasing role of technology and software services in our modern lives, we re passively creating an increasingly large digital footprint. Our browsers store our history by default. Our favourite map apps store our location history by default. Our banks keep records of our transactions. Our phones and smart-watches keep track of the number of footsteps we take every day…

An analysis of board games: Part III - Mapping the board game landscape

This is part III in my series on analysing BoardGameGeek data. Other parts can be found here: Part I: Introduction and general trends Part II : Complexity bias in BGG Part III : Mapping the board game landscape Introduction Previous posts in this series cover how we generated a dataset from BoardGameGeek, explored general trends in the tabletop games landscape over time and looked at complexity…

Making aesthetically pleasing dot density Venn diagrams

Introduction Venn diagrams are a very common and intuitive way to visualise sets and relative population sizes of different cuts of data. From a data visualisation perspective, Venn diagrams are used in several different ways to present data: Euler diagrams: A qualitiative overview of which sets overlap with others, and which sets are subsets of others (Euler diagrams are technically not Venn…

An analysis of board games: Part II - Complexity bias in BGG

This is part II in my series on analysing BoardGameGeek data. Other parts can be found here: Part I: Introduction and general trends Part II : Complexity bias in BoardGameGeek Part III : Mapping the board game landscape Introduction In Part I , I describe how I generated a dataset from BoardGameGeek and explored general trends in the rate of release, ratings and complexity. It also looked at the…

An analysis of board games: Part I - Introduction and general trends

This is part I in my series on analysing BoardGameGeek data. Other parts can be found here: Part I: Introduction and general trends Part II : Complexity bias in BGG Part III : Mapping the board game landscape Introduction Over the last few years, board games have become one of my favoured pastimes. My journey of discovery in this space has been very enjoyable, but the deeper I delve down the…

TV show episode ratings

This post is about a simple visualisation of the episode ratings of TV shows. The idea behind this is heavily borrowed from Graph TV . I use that site often and really like it, but the plots it generates are based on IMDb rating data. I ve always wanted something similar but using Trakt.tv rating data instead, so I decided to write a script to do just that. Below are the episode ratings for the…

A Song of Ice and Fire : Chapter ratings

This post relates to Game of Thrones, or more specifically to the series of books the show is based on: A Song of Ice and Fire. The website Tower of the Hand contains ratings for each chapter in the series of books. Chapters ratings are generated by users. Each chapter has ratings from typically around 150 people so there will still be a reasonable amount of uncertainty around each chapter rating,…

Solving the 8 Queens problem with python

This is my approach to solving the 8 Queens puzzle with Python. For anyone unfamiliar with the 8 Queens puzzle, it is the problem of placing eight queens on a standard (8x8) chessboard such that no queen is in a position that can attack any other. This post will have the solutions to the puzzle, so if you d like to attempt to solve it on your own, now would be a good time to stop reading this…