Speaker
Dr
Simone Riggi
(INAF - Osservatorio Astrofisico di Catania)
Description
- Data consistency checks
- Data visualization
- Examples of 1D data visualization: pie/bar/graph/histogram
- Examples of 2D visualization: scatter plots, 2D histograms (lego, contour, color maps)
- Examples of 3D visualization: volume renderings, iso surface, slicing planes
- Examples of ND data visualization: correlation, scatter plots
- Dimensionality reduction: curse of dimensionality, methods for dimensionality reduction: PCA, t-SNE, UMAP
- Handling missing data
- Missingness mechanisms
- Imputation methods: Listwise/pairwise deletion, mean imputation, regression, MICE/IterativeImputer