Data for Social Development
The San Diego Regional Data Library works with nonprofits, governments and journalists to answer data driven questions
Data Insights
Our Data Insights Service is a question and answer forum for data driven insights about San Diego area demographics, environment business and public safety issues. Ask a question for our analysts to solve, or contribute what you know with an answer.
Data Repository
The Data Repository holds data packages for a wide variety of topics, and larger collections for Education and Urban Planning
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Blog Posts
San Diego On-Sale Alcohol Permits
A map of the density of On-Sale alcohol permits, the permits required for serving alcohol at a bar or restaurant.
Getting Started with Crime Analysis
Next Tuesday the Data Library will be hosting a presentation on how to get started with analyzing crime data. https://www.meetup.com/San-Diego-Regional-Data-Library/events/274436132/ This will be a hands-on presentation, with demonstrations using multiple tools, including: Google ColaboratoryQGIS Tableau Public If you want to follow along,…
San Diego in Numbers, A Community for Data Questions and Answers
San Diego In Numbers is a project of the San Diego Regional Data Library that aims to help San Diegans get data driven insights about San Diego County. The project collects data questions from nonprofits, journalists and government agencies and organizes student…
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COVID-19 Disaster Depends on the Difference of One Day
One of the simplest models of infection is the SIR model, a set of differential equations that describes how people in a population infect each other and eventually recover, transitioning between three compartments, from Susceptible to Infected to Recovered, although, because the…
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Has San Diego’s Coronavirus Accounting Changed?
The three coronavirus metrics that most jurisdictions are publishing are cases, hospitalizations and deaths. The number of cases depends on the extent of testing, but the number of hospitalizations and deaths do not, at least not to the same extent, because while…
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View from Streetlamps: San Diegans are Staying Home
Pedestrian counts from San Diego’s smart streetlamps indicates that San Diegans responded strongly to stay at home orders, but the data has some weaknesses.
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Basics of COVID-19 Curves for San Diego
Know your S curves from your bell curves: A short primer on the main types of curves we see in plots of coronavirus data.
San Diego Coronavirus cases have peaked
It looks like San Diego has hit its peak in new coronavirus cases, with a notable downturn in the rate of change of daily cases.
The IHME Projections Move A Lot
The IHME coronavirus projections are important and useful, but it is important to understand their limitations.
International Growth Rates of COVID-19 Cases Are Declining
Similar to the previous post about case growth rates in US states, growth rate are declining in most countries. The global average for the decline in growth rates is about .9% per day. Extrapolating this decline would result in countries hitting zero…
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