Improving the Multi-Dimensional Comparison of Simulation Results: A Spatial Visualization Approach

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Authors Dani Arribas-Bel, Julia Koschinsky,Pedro V. Amaral
Journal/Conference Name Letters in Spatial and Resource Sciences
Paper Category
Paper Abstract Results from simulation experiments are important in applied spatial econometrics to, for instance, assess the performance of spatial estimators and tests for finite samples. However, the traditional tabular and graphical formats for displaying simulation results in the literature have several disadvantages. These include loss of results, lack of intuitive synthesis, and difficulty in comparing results across multiple dimensions. We propose to address these challenges through a spatial visualization approach. This approach visualizes model precision and bias as well as the size and power of tests in map format. The advantage of this spatial approach is that these maps can display all results succinctly, enable an intuitive interpretation, and compare results efficiently across multiple dimensions of a simulation experiment. Due to the respective strengths of tables, graphs and maps, we propose this spatial approach as a supplement to traditional tabular and graphical display formats.
Date of publication 2011
Code Programming Language Python
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