Preferences

Random Number Seed

Enter a value to control the sequences of random numbers in Adams Insight. Adams Insight uses random number sequences to create Variation experiments, randomize run order, and randomly select candidate runs for D-optimal designs.

If you use the same nonzero random number seed each time, Adams Insight will generate the same series of random numbers. For example, this means that you can recreate the Work Space for a Variation experiment (as long as you have the same factors and number of Trials).

If you change the seed to another nonzero value, Adams Insight will generate a different sequence. For example, this might be helpful if you want to generate several different Variation experiments for the same factors.

If you set the seed to zero, Adams Insight will use a seed based on the current time for each sequence. This ensures that Adams Insight will always generate a different sequence, but you will not be able to reproduce the sequence.

The random number seed is also used for randomizing the design order and selecting random trials for Dopt, if you select those options.

Significance (CI)

Enter a value used to compute the coefficient Confidence Interval in the Terms of Regression dialog box. The default confidence interval is 95% (0.05). The pop-up help on the '+/-' column header in the Terms of Regression dialog box shows the % confidence.

(Fit Summary Types)

These settings control which icon (red, green, yellow) is displayed in the respective fit summary pages. The left column values are the thresholds between the values marked by green icons and those marked by yellow icons. The right values are the thresholds between yellow and red icons.

For example, if you enter .95 as the first value and .8 as the second value, the following happens: