Analysing Whatsapp Group Chat Data

“Destroy your money, you can earn more. Destroy your data, your existence is erased.” — Kurt Seapoint” In this post I am going to analyse my departmental Whatsapp chat group “Statistics Class of 2019”. Thanks to a special package called rwhatsapp, this allows us to work with Whatsapp text data in R. We are also going to perform some text mining using the tidytext package. #load libraries library(rwhatsapp) library(tidyverse) #load data chat <- rwa_read("C:/Users/Adejumo/Downloads/whatsapp....

January 16, 2022 · 5 min · Adejumo Ridwan Suleiman

Exploring The Nigerian Used Car Market

“You can best learn data mining and data science by doing, so start analyzing data as soon as you can! However, don’t forget to learn the theory, since you need a good statistical and machine learning foundation to understand what you are doing and to find real nuggets of value in the noise of big data.” — Gregory Piatetsky-Shapiro” In this post, we are going to be looking at the a dataset from the Nigerian used car market....

January 9, 2022 · 9 min · Adejumo Ridwan Suleiman

Matrix Multiplication Using "For Loops"

“That’s all data is. A gift from yesterday that you receive today to make tomorrow better” — Jon Acuff body {text-align: justify} Linear Algebra is a branch of mathematics that deals with vectors and matrices, though some find it difficult, I still find it easier than good old calculus. Vectors and matrices are very important data structures in R, which is why the knowledge of linear algebra is very important....

December 29, 2021 · 3 min · Adejumo Ridwan Suleiman

The FizzBuzz Problem!

“It’s easy to lie with statistics. It’s hard to tell the truth without statistics.” — Andrejs Dunkels body {text-align: justify} Introduction The FizzBuzz problem is a very popular problem given by interviewers to programmers. The problem is to print numbers 1 to N, return “Fizz” for every number that is a multiple of 3, “Buzz” for every number that is a multiple of 5 and “FizzBuzz” for every number that is a multiple of 3 and 5....

December 12, 2021 · 3 min · Me

ARIMA or Holt-Winters, Let's Find Out!

“Hiding within those mounds of data is the knowledge that could change the life of a patient, or change the world.” — Atul Butte body {text-align: justify} Introduction In this blog post, we are going to develop a time series ARIMA and Holt Winters model and compare model performance. The data to be used can be gotten here, the data is a weather forecasting for Indian climate from 1st January 2013 to 24th April 2017 in the city of Delhi, India....

November 15, 2021 · 7 min · Adejumo Ridwan Suleiman