Software Reliability Assessment in R
Select, Analyze, and Filter Data
Set Up and Apply Models
Query Model Results
Evaluate Models
Select, Analyze, and Subset Failure Data
Specify the input file format
Excel (.xlsx)
CSV (.csv)
Select a failure data file
Choose a view of the failure data.
Times Between Failures
Cumulative Failures
Failure Intensity
Draw the plot with data points and lines, points only, or lines only?
Both
Points
Lines
Plot Data or Trend Test?
Data
Trend test
Does data show reliability growth?
Laplace Test
Running Arithmetic Average
Specify the confidence level for the Laplace Test
Choose the type of file to save plots. Tables are saved as CSV files.
JPEG
PDF
PNG
TIFF
Save Display
Subset the failure data by data range
Specify the data range to which models will be applied.
Plot
Data and Trend Test Table
Configure and Apply Models
Specify the number of failures for which the models will make predictions
Specify for how many failures into the future the models will predict
Choose one or more models to run, or exclude one or more models.
Open a data set to run models
Run Selected Models
Display Model Results
Choose one or more sets of model results to display.
No model results to display
Choose the type of plot for model results.
Choose a plot type
Times Between Failures
Cumulative Failures
Failure Intensity
Reliability Growth
Specify the length of the interval for which reliability will be computed
For how much time should the model results curve extend beyond the last prediction point?
Show data on plot
Show end of data on plot
Draw the plot with data points and lines, points only, or lines only?
Both
Points
Lines
Choose the type of file to save plots. Tables are saved as CSV files.
JPEG
PDF
PNG
TIFF
Save
Model Result Plot
Model Result Table
Choose one or more sets of model results to display.
No model results to display
Make Detailed Predictions From Model Results
Choose one or more sets of model results to display.
No model results to display
How much time will be required to observe the next N failures
Specify the number of failures that are to be observed.
How many failures will be observed over the next N time units?
Specify the amount of additional time for which the software will run.
How much more test time to achieve a specified reliability?
Specify the desired reliability.
Specify the length of the interval for which reliability will be computed
Save detailed model results as PDF or CSV?
CSV
PDF
Save Model Predictions
Evaluate Model goodness of fit and Applicability
Choose one or more models for which the results will be evaluated.
Choose one or more sets of model results
No model results to display
Specify the Percent Data for PSSE
Save model evaluations as PDF or CSV?
CSV
PDF
Save Model Evaluations
Table