Previously I have addressed the problems of on-site sampling bias. Let me refresh that discussion. Suppose you have gotten data…
Extracting meta data from scientific papers (2): extracting text data from multiple pdf files
I have gotten involved in a large literature review effort. After screening the literature, we found many potentially interesting papers.…
Using Web scraping in literature reviews
Data scraping is the practice of extracting data in an automated way. Web-scraping simply means to extract this information from…
Using R as an educational tool: Shiny apps
How can we make teaching more appealing and interactive? R has many functionalities, namely Shiny Apps. A Shiny application is…
Calculating distances and time for the travel cost variable: the OSRM package
I have previously shown how to calculate travel distances and times using the Google Maps API query in two blog…
Apollo package (2): Mixed Logit model
What if we want to complement our analysis with accounting for preference heterogeneity? That is, what if we suspect individuals…
Apollo package (1): Conditional Logit model
I want to talk about one of the most useful R packages for environmental economists doing discrete modelling: the Apollo…
It is surprisingly challenging to find out how to estimate a bivariate probit model in R!
I recently faced the challenge of having to model two binary responses. My immediate reaction is to use two separate…
Estimating non-parametric WTP from Double-bounded dichotomous choice questions: insights into bid design
There are many ways to ask questions with the goal of estimating willingness to pay (WTP) for a good or…
Combining bioeconomic modelling with valuation (4): valuing scuba diving
This week I will introduce valuation to my bioeconomic model, as a follow-up to previous blog posts: [1], [2] and…
An Environmental Economist's Guide to R 