Introduction Recently, I stepped into the AWS ecosystem to learn and explore its capabilities. I’m documenting my experiences in these series of posts. Hopefully, they will serve as a reference point to me in future or for anyone else following this p...

To lend funds or not to lend is the question? The following analysis is based on a publicly available dataset hosted at Kaggle. The full code is located on my github EXPLORATORY DATA ANALYSIS The dataset is a single csv file. It has a shape of 42...

Abstract The Air Pressure System (APS) is a type of function used in heavy vehicles to assist braking and gear changing. The APS failure dataset consists of the daily operational sensor data from failed Scania trucks. The dataset is crucial to the man...

Introduction Historically there have been several instance of air plane crashes. This study is an attempt to explore the possible causes of such air crashes, and to determine if air travel is a safe option. Objective The objective of this study are ...

Introduction Recently, I stepped into the AWS ecosystem to learn and explore its capabilities. I’m documenting my experiences in these series of posts. Hopefully, they will serve as a reference point to me in future or for anyone else following this...

An analytical model for predicting employee flight risk behaviour “People are the nucleus of any organization. So, how can you find, engage and retain top performers who’ll contribute to your goals, your future?” There is no dearth of Enterpris...

(Disclaimer: I’ve no grudge against python programming language per se. I think its equally great. In the following post, I’m merely recounting my experience.) It’s been quite a while since I last posted. The reasons are numerous, notable being,...

1. Introduction I serve as a reviewer to several ISI and Scopus indexed journals in Information Technology. Recently, I was reviewing an article, wherein the researchers had made a critical mistake in data analysis. They converted the original categor...

Introduction While reading the local daily, “The Star”, my attention was caught by headlines discussing an ongoing political or social discussion on the country’s financial state. Often, it is interesting to know the underlying cause of a certai...

Introduction A recent news article published in the national daily, The Star, reported, “The country’s unemployment rate has inched up by 0.1 percentage points to 3.5% in December 2016 compared to the previous month, according to the Statistics De...

Introduction Malaysia is the leading producer of natural rubber in the world. Being a leader in the production of natural rubber, Malaysia is contributing around 46% of total rubber production in the world. The rubber plantation was started in Malaysi...

Before starting to build on a predictive model in R, the following assumptions should be taken care off; Assumption 1: The parameters of the linear regression model must be numeric and linear in nature. If the parameters are non-numeric like categori...

Off lately a considerable number of winner machine learning enthusiasts have used XGBoost as their predictive analytics solution. This algorithm has taken a preceedence over the traditional tree based algorithms like Random Forests and Neural Networks...

A few common steps in data model building are; Pre-processing the predictor data (predictor - independent variable's) Estimating the model parameters Selecting the predictors for the model Evaluating the model performance Fine tuning the class pr...

I am revisiting the research question once again, “Can alcohol consumption increase the risk of breast cancer in working class women? and the variables to explore are; ‘alcconsumption’- average alcohol consumption, adult (15+) per capita consum...