Labs# Four journeys into high-dimensional data and methods to support complex spatial conservation decisions. 1. Spatial data processing and visualization 1.1. Countries and threatened species with QGIS 1.2. Prior knowledge and interests of EE 508 students: pandas 1.3. Countries and threatened species with geopandas 1.4. Species priorities in Colombia: rasterio, numpy, and GDAL 1.5. Spatial analytics exercise: ecosystem value mapping 2. Systematic conservation planning with Marxan 2.1. Getting to know Marxan: the case of Tasmania 2.2. Building a Marxan analysis from scratch 2.3. Improving the plan: cost proxy and planning units 3. Optimal policy targeting with predictive machine learning 3.1. Predicting land acquisition cost and forest change across Massachusetts 3.2. Optimality of policy targeting: simulating incentives to avoid carbon loss 4. Quasi-experimental impact evaluation with matching 4.1. Estimating the effects of protected areas on Amazon deforestation