Uncertainty Machine

Version 1.4
Introduction

The NIST Uncertainty Machine is a Web-based software application to evaluate the measurement uncertainty associated with an output quantity defined by a measurement model of the form y = f(x0,...,xn).

User's manual available here.

Drop configuration file here or click to upload

1. Select Inputs & Choose Distributions
Number of input quantities:

Names of input quantities:

Correlations
2. Choose Options
Number of realizations of the output quantity:
Random number generator seed:
Symmetrical coverage intervals
3. Write the Definition of Output Quantity
Definition of output quantity (R expression):