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Machine Learning

Machine Learning

How DoorDash Built an Ensemble Learning Model for Time Series Forecasting

In real-world forecasting applications, it is a challenge to balance accuracy and speed. We can achieve high accuracy by running numerous models and configuration combinations and we gain speed through running fast, computationally inexpensive models. We explore a number of models and configuration combinations at DoorDash to forecast demand on our platform. However, the challenge ...

Qiyun Pan Hanyu Yang AI & ML Machine Learning

DoorDash identifies Five big areas for using Generative AI

In the wake of ChatGPT and Generative AI DoorDash is identifying ways this new technology can enhance the customer’s ordering experience on the platform. The company is exploring the use of Generative AI, a subset of Artificial Intelligence that generates novel content based on existing data, and how it can be implemented effectively with consideration ...

Alok Gupta Machine Learning

Lifecycle of a Successful ML Product: Reducing Dasher Wait Times

Read how DoorDash's product development life cycle works in this new ML blog post about how we optimized when orders are sent to merchants

Rita Golovonevsky Ram Tripathi Machine Learning

How DoorDash Upgraded a Heuristic with ML to Save Thousands of Canceled Orders

Learn how DoorDash engineering utilized ML models to o accurately track Merchants' operational status and ability to full fill orders.

Slava Nikitin Gabriel Lerner Machine Learning

Selecting the Best Image for Each Merchant Using Exploration and Machine Learning

In order to inspire DoorDash consumers to order from the platform there are few tools more powerful than a compelling image, which raises the questions: what is the best image to show each customer, and how can we build a model to determine that programmatically using each merchant’s available images? Out of all the different ...

Chun-Chen Kuo Machine Learning

Augmenting Fuzzy Matching with Human Review to Maximize Precision and Recall

When we encountered a business problem that required an error rate of zero, we turned to a classification model with human review

Robert B. Kaspar Mitchell Koch Machine Learning

Homepage Recommendation with Exploitation and Exploration

Learn how our model balances exploitation and exploration during ranking to optimize the consumer experience while simultaneously improving fairness for merchants

Yu Zhang Data Machine Learning

Five Common Data Quality Gotchas in Machine Learning and How to Detect Them Quickly

Data preparation, represents The vast majority of work in developing machine learning models, learn how to make things easier

Kornel Csernai Devjit Chakravarti Machine Learning

Evolving DoorDash’s Substitution Recommendations Algorithm

When expanding from made-to-order food delivery to new product verticals like groceries, convenience, and retail, new challenges arise, including how to ensure inventory will be available to fulfill orders. As a business, we always want customers to receive all the items they ordered. For restaurant orders, this is easy to do because merchants offer relatively ...

Dawn Lu Machine Learning

4 Essential Steps for Building a Simulator

For complex systems simulating the impact of algorithmic changes is often faster and less costly than experimenting on features in production

Devjit Chakravarti Machine Learning

Leveraging Causal Inference to Generate Accurate Forecasts

Learn how DoorDash captures hard to measure macroeconomic effects like IRS refunds and the effect of Daylight savings in these case studies

Chad Akkoyun Qiyun Pan Data Machine Learning

Meet Dash-AB — The Statistics Engine of Experimentation at DoorDash

Learn how DoorDash was able to test uniformly according to established best practices and reuse complex statistical methods with Dash AB

Caixia Huang Yixin Tang

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