https://www.pistack.xyz/tags/sensitivity-analysis/ Recent content in Sensitivity-Analysis on Pi Stack Hugo en-us Mon, 12 Oct 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-10-12-uncertainty-quantification-python-salib-chaospy-easyvvuq/ Mon, 12 Oct 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-10-12-uncertainty-quantification-python-salib-chaospy-easyvvuq/ <p>Your model has eleven input parameters, four of which are measured with 15 per cent error, and you have been reporting a single deterministic number — a mean from one run at nominal values — as if it were a prediction. That is the most common methodological failure in computational engineering, and it is a statistics problem, not a modelling problem. Uncertainty quantification (UQ) is the discipline of propagating input uncertainty to output uncertainty, and decomposing which inputs actually drive the spread.</p>