ALTA Software Capability Highlights

Data Types
(entered individually or in groups)

  • Complete (Failure Time)
  • Right Censored (Suspension Time)
  • Left Censored
  • Interval Censored
  • Free-Form

Life-Stress Relationship Models
(includes models for single stress, multiple stresses, constant stress or stress that varies with time)

  • Arrhenius
  • Eyring
  • Inverse Power Law
  • Temperature-Humidity
  • Temperature-NonThermal
  • Proportional Hazards
  • General Log-Linear (with user-defined transformations)
  • Cumulative Damage
  • Generalized Eyring

Lifetime Distributions

  • Weibull
  • Lognormal
  • Exponential

Analysis Methods

  • Maximum Likelihood (MLE)
  • Fisher Matrix Confidence Bounds

Calculated Results

  • Reliability
  • Probability of Failure
  • Mean Life
  • Warranty Time
  • B(X) Life
  • Acceleration Factor
  • Failure Rate

Plot Types

  • Probability
  • Reliability vs. Time
  • Unreliability vs. Time
  • Failure Rate vs. Time
  • pdf Plot
  • Life vs. Stress
  • Standard Deviation vs. Stress
  • Acceleration Factor vs. Stress
  • Standardized Residuals
  • Cox-Snell Residuals
  • Standardized Residuals vs. Fitted Values

Degradation Analysis

  • Linear
  • Exponential
  • Power
  • Logarithmic
  • Gompertz
  • Lloyd-Lipow

Accelerated Test Plans

  • 2 Level Statistically Optimum Plan
  • 3 Level Best Standard Plan
  • 3 Level Best Compromise Plan
  • 3 Level Best Equal Expected Number Failing Plan
  • 3 Level 4:2:1 Allocation Plan

Other Integrated Statistical Utilities

  • Distribution Wizard
  • Parameter Experimenter
  • Monte Carlo Data Simulation
  • Likelihood Ratio Test
  • Data Set Comparison Wizard
  • Design of Reliability Tests
  • SimuMatic®
  • Quick Statistical Reference

Advanced Plotting Tools

  • Multi-Plots
  • Side-by-Side Plots
  • 3-Dimensional Plots
  • RS Draw Metafile Graphics Editor

Custom Analysis and Reporting Tools

  • Spreadsheets
  • Report Templates
  • Function Wizard

Import Types

  • Microsoft Excel® Files
  • Text Files
  • Analyses from ALTA 1 and 6

File Output

  • Microsoft Excel®
  • Save plots as metafiles (*.wmf)

Integration

Available Services