Visualizing fitness tracker data

I recently started wearing a fitness band and wanted to visualize the activity data in a heatmap format. This article will go through my thought process in deciding how to parse the data. It is not intended to be a copy and paste tutorial since the fitness band, app and visualization library I ...

Top 2000 Wordpress Plugins

The top 2000 Wordpress plugins by popularity. 2419 to be exact, all plugins with at least 5000+ active installs. List is accurate as of 20 Jan 2018. Interestingly, I could not find something similar online. The Wordpress plugins site does not allow sorting by popularity. Name Active Installs ...

Analysis of 3000 BMT Recruits

Have you ever wondered how old is the average BMT recruit? How many are new citizens? The article will explore a dataset of 3287 recruits from the 01/17 batch and present both facts as well as conjectures which I made. In the dataset, there are a total of 4534 profile photos of these recruits ...

Analysis Of 35000 Senior Civil Servants

The civil service received a half month year-end bonus this year amid the economic downturn, but have you wondered who they are? Where do they work? Disclaimer The analysis was conducted using publicly available data from the Singapore Government Directory (SGDI). The data was pieced together ...

Authenticating with NRIC numbers

I was recently asked to take a survey which authenticated users solely using IC numbers. According to guideline 6 of PDPC's advisory on the use of NRIC numbers, NRIC numbers are widely used for various business purposes and organisations that use NRIC numbers as user names or membership numbers ...

Measuring Power Consumption

I have recently acquired an electricity usage meter off ebay and decided to measure the power consumption of some of my devices. For a device that costs just 15 SGD, it works wonderfully and can measure voltage, amperage and wattage. It is supposed to be able to calculate electricity cost once ...

Saturating 1Gbps bandwidth

My ISP recently gave me a free speed bump from 500Mbps to 1 Gbps. I wanted to test if it was possible to fully utilise the bandwidth on a single file transfer. Firstly, we need to look at the test file size. I settled on a roughly 500MB to 1GB file size to minimise the effect of TCP window size ...