Specifications

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Industrial Statistics
The Statistics Toolbox provides a set of
functions that support statistical process
control (SPC). These functions enable you to
monitor and improve products or processes
by evaluating process variability. Design-
of- Experiments (DOE) functions help you
create and test practical plans for gathering
data for statistical modeling. These plans
show you how to manipulate your data
inputs in tandem to generate information
about their effect on the outputs.
The Statistics Toolbox supports two areas of
industrial statistics:
• Control charts and capabilities studies for SPC
• D-optimal, factorial, Hadamard (Plackett-
Burman), central composite, and
Box-Behnken designs used in conjunction
with DOE
Statistical Plotting and Interactive
Graphics
The Statistics Toolbox includes numerous
functions that help you represent your data
graphically. In addition to the standard
set of MATLAB plot types, the Statistics
Toolbox includes box plots, probability plots,
histograms and 3-D histograms, control
charts, quantile-quantile plots, and several
multi variate plots. It also provides interactive
graphics that enhance analysis in areas such as:
• Nonlinear and polynomial fitting and pre-
diction
• Exploration of distribution functions and
distribution fitting and analysis
• Interactive random number generation
• Response surface modeling
• Interactive process experimentation and
analysis
• Stepwise regression analysis
Required Products
MATLAB
Related Products
Bioinformatics Toolbox. Read, analyze, and
visualize genomic, proteomic, and microar-
ray data
Curve Fitting Toolbox. Perform model
fitting and analysis
Financial Toolbox. Analyze financial data
and develop financial algorithms
Optimization Toolbox. Solve standard and
large-scale optimization problems
Signal Processing Toolbox. Perform
signal processing, analysis, and algorithm
development
For information on related products, visit
www.mathworks.com/products/statistics
Platform and System Requirements
For information on platform and
system requirements, visit
www.mathworks.com/products/statistics ■
Tel: [phone] [e-mail] www.mathworks.com
8079v06 05/04
© 2004 by The MathWorks, Inc. MATLAB, Simulink, Stateflow, Handle Graphics, and Real-Time Workshop are registered trademarks, and TargetBox is a trademark of The MathWorks, Inc. Other product or brand names are trademarks or registered trademarks of their respective holders.
Left: A model of a chemical
reaction of an experiment using
the Design-of-Experiments and
surface fitting capabilities of the
Statistics Toolbox.
Right: Fitting a decision tree to data.
The fitting capabilities in the Statistics
Toolbox let you visualize a decision tree
by drawing a diagram of the decision
rule and group assignments.