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Design & Engineering

A collection of 15 posts

How to Compute for VAT and Service Charge the Correct Way™️™️™️ (or: Monetary Arithmetic is Case-Specific)
Design & Engineering

How to Compute for VAT and Service Charge the Correct Way™️™️™️ (or: Monetary Arithmetic is Case-Specific)

Let’s compute how three friends will split a restaurant bill, including VAT and Service Charge.

  • Wilhansen Li
    Wilhansen Li
12 min read
Building A Geospatial Dataset of COMELEC Offices in The Philippines
Announcements

Building A Geospatial Dataset of COMELEC Offices in The Philippines

Our geospatial database of all COMELEC offices in The Philippines is now available. Access it here.

  • Feye Andal
    Feye Andal
4 min read
LTFRB's Service Contracting Program
Announcements

LTFRB's Service Contracting Program

Sakay and LTFRB have come together to pioneer live location tracking of jeepneys. You can now rate and send feedback to Jeepney drivers.

  • Fons
3 min read
2020 in Review: Changes in the Mega Manila Transit Network
Design & Engineering

2020 in Review: Changes in the Mega Manila Transit Network

The PUV Modernization Program (PUVMP) [https://ltfrb.gov.ph/puv-modernization-2/] announced in 2017 is a comprehensive system-wide plan that aims to reform the transport sector. With the announcement of a lockdown effective March

  • Agnes Robang
8 min read
Transport Coverage in Greater Manila during April ECQ
Design & Engineering

Transport Coverage in Greater Manila during April ECQ

This post was written by Matthew Varona [http://linkedin.com/in/mjvar], who spent his internship with the data team building tools and diving into frontliner mobility services during the community quarantine period.

  • Albert Dizon
    Albert Dizon
5 min read
Sakay's COVID-19 Response
Announcements

Sakay's COVID-19 Response

We're big believers in the value of information-- the entire point of Sakay is to deliver information about public transport to commuters. We like passing information to our users, and we

  • kenneth
    kenneth
  • Wilhansen Li
    Wilhansen Li
  • Pao Salvan
    Pao Salvan
4 min read
Transit Area Coverage in Pasig During the Transport Strike
Design & Engineering

Transit Area Coverage in Pasig During the Transport Strike

In Sept 30, transport groups staged a transport strike. To minimize the negative impact, LGUs deployed their own routes. Were they able to cover the areas effectively? Let's look at how Pasig's Libreng Sakay fared!

  • Wilhansen Li
    Wilhansen Li
2 min read
Updating Averages and Variances Incrementally
Design & Engineering

Updating Averages and Variances Incrementally

Given a list of numbers, there are multiple ways of computing the average and variance (including the standard deviation). A blog entry by Dr. Cook [https://www.johndcook.com/blog/2008/09/26/

  • Wilhansen Li
    Wilhansen Li
2 min read
Multiple Service Sanity with ClojureScript Part 1 - An Introduction to Protocols
Design & Engineering

Multiple Service Sanity with ClojureScript Part 1 - An Introduction to Protocols

Javascript's prototypes and classes may help bring sanity to this, but Clojure (and therefore ClojureScript) offers a slightly different approach with protocols. Instead of dealing with a hierarchy, you deal with characteristics. I'll give a quick example to illustrate the differences.

  • Levi Tan Ong
    Levi Tan Ong
8 min read
Announcements

Sharing is caring: links on Sakay.ph

Sakay.ph has you covered when you need directions. If you ever need to commute anywhere in Metro Manila, you know where to look! But what if you're trying to help

  • Philip Cheang
    Philip Cheang
3 min read
Announcements

Predicting MRT crowding with Traincheck

We are excited to announce a huge new feature for Sakay.ph, launching today! It's so big, we decided to give it its own name and site: Traincheck [https://traincheck.sakay.

  • Philip Cheang
    Philip Cheang
3 min read
A Redesign of Bus Stops and Signage in Metro Manila
Design & Engineering

A Redesign of Bus Stops and Signage in Metro Manila

This article is also on Medium [https://medium.com/@_phi/redesign-of-bus-stops-and-signage-in-metro-manila-fbac3351315b#.hpotdp85z] , where images may load better. Please feel free to leave comments! The team at By Implication [http://byimplication.com] does a

  • Philip Cheang
    Philip Cheang
8 min read
Design & Engineering

How to go to Ali Mall from Ali Mall

One kind of problem that gets reported to us are for places being in the wrong location. Some search results have the address correct, but when selected are in a completely different place.

  • Thomas Dy
    Thomas Dy
2 min read
Design & Engineering

Understanding Data: Sakay.ph Statistics

Introduction Hello, Wil here! I handle deployment of the iPhone and iPad app [https://itunes.apple.com/ph/app/sakay.ph/id937998546?mt=8] of Sakay.ph, among other things at By Implication

  • Wilhansen Li
    Wilhansen Li
5 min read
A (Very) Long Weekend: INC and EDSA, By the Numbers
Design & Engineering

A (Very) Long Weekend: INC and EDSA, By the Numbers

The events of August 28 to August 31 have been the subject of much discussion and controversy. Here we present some solid facts, visualized. Sources:Affected people http://www.philstar.com/nation/2013/

  • Rodrick Tan
    Rodrick Tan
1 min read
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