Accelerated Life Testing - Graphsmain topic how to see also
Accelerated Life Testing - GraphsStat > Reliability/Survival > Accelerated Life Testing > Graphs
You can draw relation plots and probability plots.
Plots based on fitted model
Design value to include on plots: Enter a design value to include on the plots based on the fitted model (relation plot and probability plot for each accelerating level). You can enter one design value for each accelerating variable.
Relation plot: Check to display the relationship between accelerating variable(s) and failure time using a relation plot.
Plot percentiles for percents: To plot percentiles for the percents you specify, type the percents in the box. By default, Minitab plots the 10th, 50th, and 90th percentiles.
Display confidence intervals for middle percentile: Choose to display confidence intervals for the middle percentile only.
Display confidence intervals for all percentiles: Choose to display confidence intervals for all percentiles.
Display no confidence intervals: Choose to suppress display of all the confidence intervals.
Display failure times on plot: Check to display points for failure times (exact failure time or midpoint of interval for interval censored observation) on the plot.
Probability plot for each accelerating level based on fitted model: Check to display a probability plot for each level of the accelerating variable based on the fitted model.
Display confidence intervals for design value: Choose to display confidence intervals for design value.
Display confidence intervals for all levels: Choose to display confidence intervals for all levels.
Display no confidence intervals: Choose to suppress display of all the confidence intervals.
Diagnostic plots
Probability plot for each accelerating level based on individual fits: Check to display a probability plot for each accelerating level based on individual fits.
Probability plot for standardized residuals: Check to display a probability plot for standardized residuals.
Exponential probability plot for Cox-Snell residuals: Check to display an exponential probability plot for Cox-Snell residuals.
Display confidence intervals on diagnostic plots: Check to display confidence intervals on the probability plots.
|
Note |
To change the method for calculating probability plot points, see Tools > Options > Individual Graphs > Probability Plots. |