# Tutorials ```{toctree} :maxdepth: 1 :titlesonly: :hidden: getting_started what_is_un uncertainty_characterisation uncertainty_aggregation uncertainty_propagation validation_assessment ``` ::::{grid} 1 2 2 3 :gutter: 2 :::{card} Getting started :link: getting_started :link-type: doc :img-top: ../_static/propagation_flowchart.png Getting started with PyUncertainNumber and basic workflows. ::: :::{card} What is UN? :link: what_is_un :link-type: doc :img-top: ../_static/uc_diagram_smaller.png An introduction to uncertain numbers and their representations. ::: :::{card} Uncertainty characterisation :link: uncertainty_characterisation :link-type: doc :img-top: ../_static/pbox_imprecise_measurements.png Methods for characterising and representing uncertainty in data. ::: :::{card} Uncertainty aggregation :link: uncertainty_aggregation :link-type: doc :img-top: ../_static/distribution_expert.png Techniques for combining multiple sources of uncertainty. ::: :::{card} Uncertainty propagation :link: uncertainty_propagation :link-type: doc :img-top: ../_static/pbox_array.png Propagate uncertainty through computational models and functions. ::: :::{card} Discrepancy assessment by validation :link: validation_assessment :link-type: doc :img-top: ../_static/pbox_layers_static.png Validation of imprecise probability models. ::: ::::