Design Expert - Student version for Mac and Windows prices
95.2

 

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incl. 19 % VAT

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95,20

Design-Expert offers you the latest technology for multi-factorial data analysis and design of experiments in a very user-friendly environment. Design Expert walks you through the classic stages of the screening, optimization (RSM) and validation and provides the flexibility to map complex tasks in a “simple” experimental design. Design Expert thus allows you to save time and costs of developing new products while achieving the best process conditions.

This includes so called  hard-to-change factors (for split-plot designs ) and optimization of chemical formulations or mixture designs as well as combined designs which handle mixture and process factors in a single experiment.

Design-Expert provides the rotatable 3D plot. It helps you to visualize so-called response surfaces. The optimum is reached via the numerical optimization function. There, the optimal factor settings are determined simultaneously. The optimization platform controls mulitivariate optimization to allow, for example, multiple target values being simultaneously optimized. Thus, conflicts conflicts between target variables can be solved.

Arguments for Design Expert:

  • Rotatable 3D graphics, interactive contour diagrams (isolines), best ternary representation,
  • All classical experimental designs, d-optimal for screening and i-optimal for RSM,
  • Latest split-plot designs and definitive screening designs,
  • Best optimizing function (multiple target variables and optimizing with respect to factor settings),
  • Fitted function exported as a formula to Excel
  • Error propagation (propagation of error ) helps you to find robust settings
  • Indispensable for formulation optimizing

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Design Expert – Trial

Design Expert trial is available for Download directly from Stat-Ease, the manufacturing company of Design Expert. The Design Expert trial version is valid for 14 days. During download you will be requested to register at Stat-Ease: https://www.statease.com/dx-trial-statcon

 

Tutorials for Design Expert 

Statease provides various tutorials, guides and manuals for Design Expert on their website. https://www.statease.com/docs/latest/tutorials/

  MAC Windows®
Further Requirements

Display Resolution (1024x768 or higher)

Display Resolution (1024x768 or higher)

Operating System macOS 10.12 or higher Windows  8, 8.1, 10, 11
Minimum CPU 1 GHz 1 GHz
Min. RAM 2 GB 2 GB
Disk Space 250 MB 250 MB

Important changes and improvements in Design Expert:

Hard-to-change factors handled via split plots

  • Two-level, general and optimal factorial split-plot designs: Make it far easier as a practical matter to experiment when some factors cannot be easily randomized.
  • Half-normal selection of effects from split-plot experiments with test matrices that are balanced and orthogonal: The vital effects, both whole-plot (created for the hard-to-change factors) and sub-plot (factors that can be run in random order), become apparent at a glance!
  • Power calculated for split plots versus the alternative of complete randomization: See how accommodation of hard-to-change factors degrades the ability to detect certain effects.

Other new design capabilities

  • Definitive screening designs: If you want to cull out the vital few from many numeric process factors, this fractional three-level DOE choice resolves main effects clear of any two-factor interactions and squared terms (see screen shot of correlation matrix - more on that later).
  • On the Factorial tab select a simple-sample design for mean-model only: Take advantage of powerful features in Design-Expert software for data characterization, diagnostics and graphics - for example with raw outputs from a process being run at steady-state.

Much-improved capabilities to confirm or verify model predictions

  • Entry fields for confirmation data and calculation of mean results: Makes it really easy to see if follow-up runs fall within the sample-size-adjusted prediction intervals.
  • Enter verification runs embedded within blocks as controls or appended to your completed design: Lend veracity to your ultimate model by these internal checks.
  • Verification points displayed on model graphs and raw residual diagnostics: See how closely these agree to what's predicted by your model.

New and more-informative graphics

  • Adjustably-tuned LOESS fit line for Graph Columns: Draw a curve through a non-linear set of points as you see fit. *(Locally weighted scatterplot smoothing.)
  • Color-coded correlation grid for graph columns: Identify at a glance any factors that are not controlled independently of each other, that is, orthogonally; also useful for seeing how one response correlates to another.

Greater flexibility in data display and export

  • Journal feature to export data directly to Microsoft Word or Powerpoint: Fast and formatted for you to quickly generate a presentable report on your experimental results.
  • Improved copy/paste of Final Equation from the analysis of variance (ANOVA) report to Microsoft Excel: This not only saves tedious transcription of coefficients but it also sets up a calculator for you to 'plug and chug', that is, enter into the spreadsheet cells what values for the inputs you'd like to evaluate and see what the model predicts for your response.
  • New XML* script commands for exporting point predictions: Helpful for situations where one wants to automate the transfer of vital outputs from Design-Expert to other programs. *(Extensible Markup Language)

More powerful tools for modeling

  • All-hierarchical model (AHM) selection: Sort through all possible models up to the one you designed the experiment for, but all the while maintain hierarchy of terms so you do not end up with something ill-formulated.
  • Special quartic Scheffé polynomial included in automatic selection for mixture modeling: Sometimes this added degree (4th!) of non-linear blending helps to better shape the response surface – making it better for predictive purposes.

More choices when custom-designing your experiment

  • Enter a single factor constraint for response surface designs: Creates a 'hard' limit on inputs that cannot go beyond a certain point (such as zero time) physically or operationally.

More capability for numerical optimization

  • Include Cpk* as a goal: Meet quality goals explicitly. *(A process capability index widely used for Six Sigma and Design for Six Sigma programs.)

Enhanced design evaluation

  • One-sided option added to FDS* graph: Size your design properly for a verification experiment done to create a QBD** design space. *(Fraction of design space) **(Quality by Design - a protocol promoted by the US Food & Drug Administration (FDA).)

Many things made nicer, easier, more configurable and faster

  • Diagnostics report now can be sorted by any of the statistics listed: This enables a more informative ordering than by run number (the default).

Niceties that only statisticians might truly appreciate

  • Mean correction for transformation bias when responses displayed in original scale: All you need to know is that our statisticians figured out how to eliminate a tricky, little-known bias!
  • Propagation of error (POE) carried out to the second derivative: Makes POE more accurate - that's a good thing!
  • Allow averaging of categoric factors when viewing a graph: Convenient for getting the big picture of where to find robust operating settings.
  • Display confidence bands with or without POE added: Easier to match output with other programs that do not offer POE features like this.
  • Add unblocked results to evaluation of blocked experiments: Aids in comparing designs on the basis of matrix measures.

Good news for network administrators

  • >New more flexible and easier-to-use license manager with greater power to serve enterprise users: For example, network 'seats' can be checked out to individual laptops and multiple opening of the program on a specific computer will only use one seat.