How do you combine uncertainty with different units?

How do you combine uncertainty with different units?

Another method of combining uncertainty with different units of measure is fractional uncertainty….Let’s recap the process.

1. Identify the equation.
2. Calculate the fractional uncertainty for each contributor.
3. Calculate the combined uncertainty.
4. Convert the result to the desired unit of measure.

What are the sources of uncertainty in decision?

The sources of uncertainty are missing information, unreliable information, conflicting information, noisy information, and confusing information.

What is decision under certainty?

In this scenario, the person in charge of making the decision knows for sure the consequence of each alternative, strategy or course of action to be taken. In these circumstances, it is possible to foresee (if not control) the facts and the results.

Which is the best measure of parameter uncertainty?

Parameter uncertainty • AutocovarianceC x(r): measure of data (x) “similarity” for a given distance (r) • Small r, large Cx(r). Decreases with increasing r. El-Ramly, 2001 Sources of uncertainty in rock slope engineering Parameter uncertainty • Semivariogramsg x(r): Commonly used in geostatisticsfor mining and reservoir characterization.

What is uncertainty in semivariogramsg X ( are )?

Parameter uncertainty • Semivariogramsg x(r): Commonly used in geostatisticsfor mining and reservoir characterization. El-Ramly, 2001 • Typically, assumes stationary data average (no trend), or simple spatial trend. • Average measure of dissimilarity between data separated by a distance (r).

Are there any classifications of sources of uncertainty?

Sources of uncertainty • There are a number of classifications of uncertainty (or classification of sources of uncertainty) in the literature. • One classification that proves adequate for the geotechnical practitioner is presented below: • This classification becomes clear for the geotechnical practitioner as it applies to the analysis of slopes.

What is uncertainty and probability in rock slope stability assessment?

Uncertainty and Probability in rock slope stability assessment and design Renato Macciotta Pulisci, Ph.D., P.Eng . Industrial Professor -School of Engineering Safety and Risk Management Adjunct Professor – Department of Civil and Environmental Engineering University of Alberta April 12, 2019 Introduction

https://www.youtube.com/watch?v=kYFEbPEpeIk