Latest Posts

Incorporating Qualitative Methods into Spatial Health Research

Qualitative methods
Climate
Methodology
Research concepts
Spatiotemporal research is enhanced when guided by local knowledge, perspective, and expertise.
Dec 6, 2024
Kathryn Grace

Using QGIS for Spatial Data Analysis

GIS
QGIS
Open-source software
CHIRTS
Geoprocessing
Standalone GIS software can provide an interactive alternative to code-based analysis workflows
Oct 25, 2024
Ankit Sikarwar

Using Leaflet for Exploratory Data Analysis: Part 2

Cartography
Population density
Urbanization
Interactivity
Longitudinal data
R
leaflet
terra
sf
Exploring customization options for leaflet maps
Sep 30, 2024
Finn Roberts

Using Leaflet for Exploratory Data Analysis: Part 1

Cartography
Population density
Urbanization
Longitudinal data
R
leaflet
terra
sf
An introduction to interactive mapping using the leaflet package
Sep 13, 2024
Finn Roberts

Measuring Population Density

Population
Population density
Urbanization
Data sources
GRUMP
GHSL
LandScan
WorldPop
Research concepts
An introduction to gridded data sources used to measure human presence across the globe
Aug 30, 2024
Grace Cooper

Aggregation Methods for NDVI Data

NDVI
Seasonality
Climate normals
Agriculture
Climate
Food production
R
Time series
terra
ggspatial
sf
We use data from two climates to illustrate approaches to processing NDVI data
Aug 16, 2024
Finn Roberts

An Iterative Workflow for Loading NDVI Data in R

NDVI
Agriculture
Climate
Food production
Importing Data
R
Reproducible workflows
Time series
stringr
purrr
terra
ggspatial
sf
Use purrr and terra to efficiently integrate NDVI data across multiple spatial extents
Aug 1, 2024
Finn Roberts

Introducing NDVI as a Tool for Population Health Research

Climate
NDVI
Food production
Agriculture
Methodology
Research concepts
Satellite imagery can be used in conjunction with place-specific research methods to assess food production and its impacts
Jul 2, 2024
Jude Mikal

Incorporating Climate and Reproductive History Data

Climate
Reproductive history
Longitudinal data
Time series
Methodology
Research concepts
Understanding the challenges when using longitudinal data with DHS surveys
Jun 11, 2024
Sunnee Billingsley

Time-specific temperature exposures for DHS survey respondents

CHIRTS
Temperature
Heat
Longitudinal analysis
Time series
Multilevel modeling
Climate
terra
lme4
tidyr
R
Fine-tune an analysis by incorporating temporal information from a DHS survey with longitudinal climate data
May 31, 2024
Finn Roberts

Flexible Workflows with CHIRTS Temperature Data

CHIRTS
Temperature
Heat
Climate
Time series
Reproducible workflows
Functional programming
terra
sf
ggspatial
R
Generalize your code to more easily aggregate time-varying climate data
Apr 15, 2024
Finn Roberts

Demystifying Spatially Harmonized Geography in IPUMS DHS

Integrated geography
Spatial harmonization
Longitudinal analysis
Methodology
Research concepts
Cartography
A demonstration of data and techniques to handle shifting geographic boundaries in longitudinal research
Apr 9, 2024
Sula Sarkar, Devon Kristiansen, Miriam King

Droplets of Insights for Integrating DHS and Rainfall Data

Climate
Precipitation
CHIRPS
Methodology
Research concepts
Some factors to consider when obtaining and preparing precipitation data for use with DHS surveys
Mar 7, 2024
Audrey Dorélien, Molly Brown

Attaching CHIRPS Precipitation Data to DHS Surveys

CHIRPS
Precipitation
Climate
Agriculture
terra
sf
ggspatial
R
Remotely sensed precipitation data can provide important context for understanding the health outcomes reported in the DHS
Feb 4, 2024
Finn Roberts, Matt Gunther

Developing Robust Conceptual Models in Climate Change and Health Research

Climate
Methodology
Research concepts
Introducing the theoretical foundations for effective research on climate change and health
Feb 3, 2024
Elizabeth Heger Boyle, Kathryn Grace, Audrey Dorélien, Devon Kristiansen

Obtaining Data from IPUMS DHS

Tips
Importing data
R
Identify and download data from the IPUMS DHS website and load it into R
Feb 2, 2024
Finn Roberts, Matt Gunther

An Introduction to R

Tips
R
Getting started with R and RStudio
Feb 1, 2024
Finn Roberts, Matt Gunther
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