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Chris Orwa
Chris Orwa

691 Followers

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Pinned

Selection Bias on Twitter Polls

The Case of Mutahi Ngunyi Kenyan Election Polls — Pythia, the high priestess at the Temple of Apollo in Delphi answered questions about the future to people all over Greece and beyond. Themistocles, an Athenian general, received a prediction of doom on the impending invasion by King Xerxes of Persia. …

Kenya

3 min read

Selection Bias on Twitter Polls
Selection Bias on Twitter Polls
Kenya

3 min read


Pinned

Give Microsoft and Google a Break

Everyone Loses Talent to a Higher Bidder — Why Do We Work? There’s an old adage among Generation X university graduates in Kenya that you planned your career around Kenya Airways, Barclays Bank and East African Breweries (EABL). A first job at the brewer would lead to a mid-management role at the bank, and senior retirement job at the airline — or…

Kenya

3 min read

Give Microsoft and Google a Break
Give Microsoft and Google a Break
Kenya

3 min read


Pinned

Its Generals, not Colonels who Lead Coups in Africa

There’s overwhelming debate on the interwebs on why colonels lead coups, especially in Africa — Lieutenant Colonel Mamady Doumbouya's seizure of power in Guinea by dethroning President Alpha Conde brought to fore the conversation. Notable examples are Colonel Salou Djibo of Niger, Colonel Assimi Goita of Mali, and Colonel Muammar…

Coup

4 min read

Its Generals, not Colonels who Lead Coups in Africa
Its Generals, not Colonels who Lead Coups in Africa
Coup

4 min read


Published in MLearning.ai

·Pinned

Tanzania’s Cheap Mobile Data Doesn’t Boost Artists’ Popularity

Tanzania is a country of music lovers as well as the home of the cheapest mobile data bundles in Africa. These two facts have been attributed as the main reason for the popularity of Tanzanian music on YouTube. To understand the correlation between the cost of mobile data bundles and…

Data Science

3 min read

Tanzania’s Cheap Mobile Data Doesn’t Boost Artists’ Popularity
Tanzania’s Cheap Mobile Data Doesn’t Boost Artists’ Popularity
Data Science

3 min read


Feb 14

Dog Betting Obsession in Nairobi

On Mfangano Street in Nairobi’s Central Business District, stands a nondescript building next to the Ismail Rahimtullah Walji Trust library which hosts a betting depot for Betin Kenya company. Yesternight, throngs of men filled the 50 square foot room clustered around betting stations, eyes fixed on TV screens. On the…

Betting

4 min read

Dog Betting Obsession in Nairobi
Dog Betting Obsession in Nairobi
Betting

4 min read


Dec 30, 2022

Origin of Nairobi Constituency Names

Kenya

1 min read

Origin of Nairobi Constituency Names
Origin of Nairobi Constituency Names
Kenya

1 min read


Jun 21, 2022

Non-participation Bias in SMS Polls

Intel Research Solution Kenya Presidential Opinion Poll Report — When Irish tenant farmers in Mayo County experienced a poor crop harvest in 1880, they turned to their landlord and asked for a 25% rent reduction. One land agent, former British Army Captain, Charles Boycott refused to accede to the tenants’ demands. …

Kenya

2 min read

Non-participation Bias in SMS Polls
Non-participation Bias in SMS Polls
Kenya

2 min read


Jun 17, 2022

The Problem at Sachangwan-Salgaa

There is a 20 km stretch of road along the A104 highway between Sachangwan and Salgaa in Nakuru County that has gained a reputation as the habitation ground of grisly road accidents. The commonplace blame is on a steep unwinding section of the road that currently hosts a black stop…

Kenya

3 min read

The Problem at Sachangwan-Salgaa
The Problem at Sachangwan-Salgaa
Kenya

3 min read


Jun 17, 2022

What KAPS Tickets Tell Us About Malls in Nairobi

If Nairobi is experiencing a glut in shopping malls, then KAPS would the first to know. The company enjoys a near monopoly in managing parking lots for malls in the country — and with that, collect tones of data on mall traffic. …

Real Estate

5 min read

What KAPS Tickets Tell Us About Malls in Nairobi
What KAPS Tickets Tell Us About Malls in Nairobi
Real Estate

5 min read


Jan 17, 2022

Breaking Safaricom Scratch Card Code

In 2011, Safaricom Ltd extended the scratch card code from 12 digits to 16 in order to increase the computational time required to break the code thereby making them more secure. However, system theory acknowledges that systems expose their weaknesses at points of change. I set to find out if…

Safaricom

4 min read

Breaking Safaricom Scratch Card Code
Breaking Safaricom Scratch Card Code
Safaricom

4 min read

Chris Orwa

Chris Orwa

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