DynaFit Scripting Manual
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Introduction
 
Index
DynaFit
Scripting Manual
ver. 3.28
Petr Kuzmi
,
Ph.D.
Introduction
Available tasks
Task
Data
Mechanism
Model discrimination analysis
General Considerations
Formatting of the script files
Case sensitivity
White space
Comments
Special characters
Sections
Keywords
Ranges and sets of values
Concentration and time scale
Concentration scale
Time scale
Optimized parameters
Multiple tasks
Model discrimination analysis
Varied data types
Output files
Initialization files
Mechanism
Molecularity and reaction order
Chemical notation
Notational flexibility
Formal rules
Equilibrium constants
Equilibrium constants proper
Dissociation constants
Association constants
Arrows
Species names
Rate and equilibrium constant names
Constant rates in open reaction systems
Kinetic Constants
Formal rules
Dimension and unit of scale
Rate constants
Equilibrium constants
Initial estimates
Association rate constants
Dissociation rate constants
Equilibrium constants
Concentrations
Concentration scale
Global and local concentrations
Local concentrations
Concentrations as optimized parameters
Linked concentrations
Arbitrary linking factor
Specific molar responses
Global response coefficients
Local response coefficients
Difference response coefficients
Analysis of reaction velocities
Progress Curves
Data files
Platform independent path names
Data directory
File extension
Multiple files
Local vs. global analysis
Simulation mesh
Experimental error
Constant error
Constant percentage error
Nonconstant error
Mixing delay time
Rationale for a mixing-time constant
Proper unit of time
Offset
Adjustable offset
Automatic offset
Automatic adjustable offset
Locally adjustable automatic offset
Local concentrations
Locally optimized concentrations
Multiple local concentrations
Local response coefficients
Locally optimized responses
Concentration jump experiments
Keyword ordering
Velocities
Molar response coefficients
Rapid-equilibrium vs. dynamic methods
Rapid-equilibrium approximation
Slow steps in the reaction mechanism
Kinetic and equilibrium steps
Molar response coefficients
The dynamic method
Location of data files
Experimental error
Standard errors of measurements
Diagnostic plots
Lineweaver-Burk plot
Dixon plot
Equilibria
Location of data files
Restrictions on mechanism
Branched pathways and equilibrium binding
Example problem
`Sweeping' rate constant values
Formal rules
Limitations
Initialization file
Initialization file
Control parameters
<ODE Solver>
Iterations
= Maximum number of LSODE iterations
AbsTolerance
= Absolute tolerances for local truncation error
RelTolerance
= Relative tolerances for local truncation error
AbsAccurateTol
= Enhanced absolute tolerances for local truncation error
RelAccurateTol
= Enhanced relative tolerances for local truncation error
NonNegative
= Non-negativity flag for ODE solution
SmartWeighting
= Flag for automatic error tolerances
<Equilibrium Solver>
Iterations
= Maximum number of iterations for the equilibrium solver
AbsTolerance
= Absolute tolerances for local truncation error
RelTolerance
= Relative tolerances for local truncation error
<Marquardt>
Iterations
= Number of iterations
Subiterations
= Number of sub-iterations
Interrupt
= Number of iterations before switching to interactive mode
Restarts
= Number of times the LM algorithm should restart
InitLambda
= Initial value of the Marquardt compromise parameter
UpLambda
= Increase in the Marquardt compromise parameter
DownLambda
= Decrease in the Marquardt compromise parameter
ReinitLambda
= Reinitialization flag for the Marquardt compromise parameter
StepLine
= Number of steps in a line-search algorithm
StrideLine
= Initial step size in the line-search algorithm
IterPrint
= Printing of major iterations in the LM algorithm
SubiterPrint
= Printing of minor iterations in the LM algorithm
FilePrint
= Logging the progress of the LM minimization in a disk file
ShowProgress
= Displaying the progress of the LM minimization on the screen
StopLambda
= Stopping criterion for the Marquardt compromise parameter
StopParam
= Stopping criterion for adjustable parameters
StopSquares
= Stopping criterion for the reduced sum of squares
<Confidence Intervals>
Level
= Percentage confidence level
Interrupt
= Interrupt least-squares fit after every
iteractions
OnlyConstants
= Exclude other types of parameters from minimization
FTestLevel
= Confidence level for model discrimination
<Constraints>
RateErrAbsRel
= Flag for absolute or relative bounds
RateError
= Optimization bounds for rate constants
RateStopAbsRel
= Flag for absolute or relative stopping criterion
RateStop
= Stopping criterion for rate constants
ConcErrAbsRel
= Flag for absolute or relative bounds
ConcError
= Optimization bounds for concentrations
ConcStopAbsRel
= Flag for absolute or relative stopping criterion
ConcStop
= Stopping criterion for concentrations
RespErrAbsRel
= Flag for absolute or relative bounds
RespError
= Optimization bounds for molar responses
RespStopAbsRel
= Flag for absolute or relative stopping criterion
RespStop
= Stopping criterion for molar responses
OffsErrAbsRel
= Flag for absolute or relative bounds
OffsError
= Optimization bounds for baseline offsets
OffsStopAbsRel
= Flag for absolute or relative stopping criterion
OffsStop
= Stopping criterion for baseline offsets
<Simulate>
Sensitivity
= Flag for the simulation of parametric sensitivities
MeshDefault
= Number of points on a simulated curve
Equalize
= Flag for equal weighting of data sets
FiniteDifference
= Finite-difference coefficient
Interpolate
= Flag for interpolation of progress curves
Increment
= Time increment in the interpolation of progress curves
WaitBatch
= Time delay in batch simulations
<Filter>
Points
= Maximum points in a data set
TMin
= Minimum reaction time
TMax
= Maximum reaction time
Scale
= The unit (scale) of time
SetTZero
= Flag for resetting time values to zero
SetSigZero
= Flag for resetting signal values to zero
Smoothing
= Number of smoothing passes
<Output>
CreateDirectories
= Create output directories?
WriteTextFiles
= Create output files in simple text format?
WriteHTMLfiles
= Create output files in HTML format?
WriteLATEXfiles
= Create output files in LaTeX format?
WriteGIFfiles
= Create graphical output files in GIF format?
WritePSfiles
= Create graphical output files Postscript format?
WriteTABfiles
= Create output files in tab-delimited format?
TextFileCreator
= Text file creator string
PostscriptFileCreator
= Postscript file creator string
WriteStoich
= Write stoichiometric and formula matrices?
VarianceInflation
= Print variance inflation factors?
Covariance-Correl
= Print variance-covariance matrix?
CollinearityIndex
= Print collinearity index?
Eigenvectors
= Print eigenvalues and eigenvectors?
RedundancyGrade
= Print redundancy grade?
Variance-Signal
= Plot best-fit signal value vs. squared deviations?
CumulativeDistrib
= Plot empirical cumulative distribution of residuals?
NormalPlot
= Produce cumulative normal plot?
SerialCorrelation
= Produce serial correlation plot of residuals?
AutoCorrelation
= Produce autocorrelation plot of residuals?
PowerSpectrum
= Produce power spectrum using Fast Fourier Transform?
LocalResid
= Combine residuals from multiple data sets?
RunsOfSigns
= Compute the runs-of-signs test for residuals?
Rayner-Best
= Compute the Rayner-Best statistics for residuals?
Kolmogorov-Smirnov
= Compute the Kolmogorov-Smirnov statistics for residuals?
Durbin-Watson
= Compute the Durbin-Watson statistics for residuals?
Tukey
= Compute the Tukey statistics for residuals?
WriteFTest
= Perform model discrimination analysis using Fisher's
-statistic?
<Plot>
IndependentVar
= Label for independent variable
DependentVar
= Label for dependent variable
HighResolution
= High-resolution graphic output?
WaitLocal
= User input during local analysis of progress curves?
ClickGraphs
= Wait for user input upon displaying graphics?
WaitTime
= Time for display of output graphs
XPixels
= Number of pixels in the horizontal direction
YPixels
= Number of pixels in the vertical direction
ScreenColumns
= X-Dimension of the ASCII plot (screen)
ScreenRows
= Y-Dimension of the ASCII plot (screen)
FileColumns
= X-Dimension of the ASCII plot (file)
FileRows
= Y-Dimension of the ASCII plot (file)
ShowXResiduals
= Plot residuals against independent variable?
ShowYResiduals
= Plot residuals against dependent variable?
ResidRange
= Range of Studentized residuals
TMinVelocity
= Minimum time for plotting velocities
<Velocity>
AutoWrite
= Flag for recording initial velocities on disk
WriteFittedConc
= Flag for writing optimized concentrations
AverageInput
= Flag for averaging of replicates
AlwaysPositive
= Flag for positive velocities
ExcludeOutliers
= Flag for the exclusion of outliers
MinimumPoints
= Smallest number of replicates
StandardDeviation
= Criterion for the exclusion of outliers
Bibliography
List of Figures
List of Tables
Index
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Introduction
 
Index
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Petr Kuzmic | Jul 12 2005