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Creating Designs

• Create Nested Designs (Balanced and Unbalanced Designs)
• Create the design step-by-step, or import the design and data from Excel
• Specify the Factors. Up to 10 allowed i.e. specify up to 10 discrete sources of variation
• Specify the Factor Levels i.e. specify the number of occurrences of each Factor
• Specify the Responses. Up to 25 allowed per node of the Design
• Create the Design Diagram (Hierarchical Diagram)
• Enter the Data, manually node-by-node or import from Excel
• Can designated missing values, or missing data
• Excel Import Wizard
• Summary Statistics
• available for all data, and for any connected subgroup
• Average, Variance, Range
• Data Transformation
• Add a constant
• Multiply by a constant
• Square Root
• Natural Log
• Log base 10
• Reciprocal
• Raise to a power

Plots

• Dot Frequency Plot
• Box/Enclose Factors
• Draw Average Line (per Factor)
• Scatter Plot, between any two of the factors with Overlay Options:
• Overlay Straight Line (least squares regression line y on x)
• Overlay 80%, 90%, 95%, 99% Elipses
• Overlay Grid Lines
• Summary Statistics: Number, Mean, Std Dev

Variance Estimates and Precision

• Analysis of Variance Table
• Mean Squares
• Expected Values of Mean Squares
• Variance Estimates Table
• Variance Estimate for each factor
• Percent of Total Variance attributable to each factor
• Degrees of Freedom for each factor
• Relative Standard Deviation (RSD) using total variance
• Grand Average
• Visual representation of Variance Estimate components
• Precision Analysis Calculator
• Model the effect of different levels of the variance components on the following:
• Variance of Average
• Std Dev of Average
• RSD of Average (%)
• Degrees of Freedom
• Compare and vary 2 models side by side
• t-Table
• Students t-distribution for tail probabilities of p=0.1, 0.05, 0.01
• One-tailed t-table
• Two-tailed t-table
• (1-p)% Confidence Interval
• Confidence Interval for differences, variances
• Alpha Level of interval

Control Charts

• Chart Types available (subgroup by factor, with summary statistics)
• Box Plot
• Minimum value
• First quartile
• Median
• Mean
• Third Quartile
• Maximum value
• Individual
• Individual data values in run order
• Control Limits: Moving Range
• Control Limits: Variance Components
• Average (X-Bar)
• Subgroup averages
• Control Limits: Moving Range of Subgroup averages
• Control Limits: Average within subgroup range
• Control Limits: Average within subgroup standard deviation
• Range
• Subgroup ranges
• Control Limits: Average within Subgroup range
• Standard Deviation
• Subgroup standard deviation
• Control Limits: Average within Subgroup Standard deviation
• Specification Analysis
• Probability that a test article u is within the spec range
• Normal distribution with mean u and std dev equal to the square root of the sum of variance components
• Displays USL and LSL

Cell Means Model Analysis

• Averages for all factor levels, to chosen level
• Comparison of Averages, relative to noise
• Contrasts (Linear combination of averages, with contrast coefficients)
• Std Error of contrast
• Degrees of Freedom (Sattersthwaite approximation)

System Parameters and General Functions

• Set Default folder for NESTED Design Files
• Set Default folder for ExCEL Import files
• Set Folder for temporary Plot files
• Set Max number of Nodes to display
• Copy to Clipboard