Johnowhitaker

Zimbabwe, Harare, speaks English, Shona (starting to learn)
1890 points (ranked #111)Joined ~2 years ago
CGIAR Wheat Growth Stage Challenge
Predict which phase of growth wheat crops are in using photos taken by farmers in India
ranked 22 out of 127
14 days to go
#ZindiWeekendz Learning: To Vaccinate or Not to Vaccinate: It’s not a Question
Analysing social media sentiment towards vaccines
ranked 5 out of 8
Active
Fighting Fire with Data Hackathon
Predicting Burned Area in Zimbabwe
ranked 14 out of 25
ended 3 months ago
SANSA AWS Informal Settlements in South Africa
Use high resolution satellite imagery from urban South Africa to identify the locations of informal settlements
ranked 57 out of 77
ended 3 months ago
To Vaccinate or Not to Vaccinate: It’s not a Question
Analysing social media sentiment towards vaccines
ranked 17 out of 127
ended 5 months ago
ICLR Workshop Challenge #2: Radiant Earth Computer Vision for Crop Detection from Satellite Imagery
Identify crop type using satellite imagery, and win a trip to present your work at ICLR 2020 in Addis Ababa.
ranked 33 out of 110
ended 6 months ago
ICLR Workshop Challenge #1: CGIAR Computer Vision for Crop Disease
Identify wheat rust in images from Ethiopia and Tanzania, and win a trip to present your work at ICLR 2020 in Addis Ababa.
ranked 80 out of 338
ended 6 months ago
Womxn in Big Data South Africa: Female-Headed Households in South Africa
A prediction challenge with prizes for the top three female data scientists
ranked 182 out of 204
ended 7 months ago
Standard Bank Tech Impact Challenge: Xente credit scoring challenge
Predict the likelihood of credit default of ecommerce clients
ranked 24 out of 95
ended 10 months ago
TIC-HEAP Cirta Particle Classification Challenge
Build a machine learning model to help physicists identify particles in images
ranked 2 out of 31
ended 7 months ago
Uber Movement SANRAL Cape Town Challenge
Predict when and where road incidents will occur next in Cape Town
ranked 28 out of 134
ended 7 months ago
Xente Fraud Detection Challenge
Accurately classify the fraudulent transactions from Xente's e-commerce platform
ranked 262 out of 547
ended 12 months ago
Standard Bank Tech Impact Challenge: Animal classification
Create a binary classification algorithm to distinguish zebras from elephants
ranked 2 out of 53
Active
MIIA Pothole Image Classification Challenge
Identify which images of roads in South Africa contain potholes
ranked 1 out of 45
Active
Sendy Logistics Challenge
Predict the estimated time of arrival (ETA) for motorbike deliveries in Nairobi
ranked 176 out of 449
ended 10 months ago
Wazihub Soil Moisture Prediction Challenge
Predict soil humidity using sensor data from low-cost DIY Internet of Things in Senegal
ranked 69 out of 94
ended 11 months ago
Farm Pin Crop Detection Challenge
Classify fields in South Africa by crop type using Sentinel-2 satellite imagery
ranked 20 out of 42
ended ~1 year ago
Traffic Jam: Predicting People's Movement into Nairobi
Uber and Mobiticket team up to predict demand for public transportation into Nairobi
ranked 75 out of 204
ended over 1 year ago