# ALTopt: Optimal Experimental Designs for Accelerated Life Testing

Creates the optimal (D, U and I) designs for the accelerated life testing with right censoring or interval censoring. It uses generalized linear model (GLM) approach to derive the asymptotic variance-covariance matrix of regression coefficients. The failure time distribution is assumed to follow Weibull distribution with a known shape parameter and log-linear link functions are used to model the relationship between failure time parameters and stress variables. The acceleration model may have multiple stress factors, although most ALTs involve only two or less stress factors. ALTopt package also provides several plotting functions including contour plot, Fraction of Use Space (FUS) plot and Variance Dispersion graphs of Use Space (VDUS) plot.

- Author
- Kangwon Seo [aut, cre], Rong Pan [aut]
- Date of publication
- 2015-08-28 01:33:02
- Maintainer
- Kangwon Seo <kseo7@asu.edu>
- License
- GPL-3
- Version
- 0.1.1

## Man pages

- alteval.ic
- Design evaluation with interval censoring.
- alteval.ic
- Design evaluation with interval censoring.
- alteval.rc
- Design evaluation with right censoring.
- alteval.rc
- Design evaluation with right censoring.
- altopt.ic
- Optimal design with interval censoring.
- altopt.ic
- Optimal design with interval censoring.
- ALTopt-package
- \Sexpr[results=rd,stage=build]{tools:::Rd_package_title("ALTopt")}
- ALTopt-package
- \packageTitleALTopt
- altopt.rc
- Optimal design with right censoring.
- altopt.rc
- Optimal design with right censoring.
- compare.fus
- Comparing designs using FUS
- compare.fus
- Comparing designs using FUS
- compare.vdus
- Comparing designs using VDUS
- compare.vdus
- Comparing designs using VDUS
- convert.stress.level
- Coding and decoding stress level
- convert.stress.level
- Coding and decoding stress level
- design.plot
- Design plot.
- design.plot
- Design plot.
- Dobj.ic
- Objective function of D optimal design with interval...
- Dobj.ic
- Objective function of D optimal design with interval...
- Dobj.rc
- Objective function of D optimal design with right censoring
- Dobj.rc
- Objective function of D optimal design with right censoring
- ExtendedForm
- Transform the array to the model matrix
- ExtendedForm
- Transform the array to the model matrix
- Iobj.ic
- Objective function of U optimal design with interval...
- Iobj.ic
- Objective function of U optimal design with interval...
- Iobj.rc
- Objective function of I optimal design with right censoring
- kmeansCls
- Perform the k-means clustering and make design table
- kmeansCls
- Perform the k-means clustering and make design table
- PreVar
- Calculates the prediction variance at the particular use...
- PreVar
- Calculates the prediction variance at the particular use...
- pv.contour.ic
- Contour plot of prediction variance for a design with...
- pv.contour.ic
- Contour plot of prediction variance for a design with...
- pv.contour.rc
- Contour plot of prediction variance for a design with right...
- pv.contour.rc
- Contour plot of prediction variance for a design with right...
- pv.fus.ic
- FUS (Fraction of Use Space) plot for interval censoring.
- pv.fus.ic
- FUS (Fraction of Use Space) plot for interval censoring.
- pv.fus.rc
- FUS (Fraction of Use Space) plot for right censoring.
- pv.fus.rc
- FUS (Fraction of Use Space) plot for right censoring.
- pv.vdus.ic
- VDUS (Variance Dispersion of Use Space) plot for interval...
- pv.vdus.ic
- VDUS (Variance Dispersion of Use Space) plot for interval...
- pv.vdus.rc
- VDUS (Variance Dispersion of Use Space) plot for right...
- pv.vdus.rc
- VDUS (Variance Dispersion of Use Space) plot for right...
- Uobj.ic
- Objective function of U optimal design with interval...
- Uobj.ic
- Objective function of U optimal design with interval...
- Uobj.rc
- Objective function of U optimal design with right censoring
- Uobj.rc
- Objective function of U optimal design with right censoring

## Files in this package

ALTopt |

ALTopt/NAMESPACE |

ALTopt/R |

ALTopt/R/ALTopt.R |

ALTopt/MD5 |

ALTopt/build |

ALTopt/build/partial.rdb |

ALTopt/DESCRIPTION |

ALTopt/man |

ALTopt/man/pv.fus.ic.Rd |

ALTopt/man/Iobj.ic.Rd |

ALTopt/man/Uobj.ic.Rd |

ALTopt/man/convert.stress.level.Rd |

ALTopt/man/design.plot.Rd |

ALTopt/man/pv.vdus.ic.Rd |

ALTopt/man/pv.contour.rc.Rd |

ALTopt/man/Dobj.rc.Rd |

ALTopt/man/Uobj.rc.Rd |

ALTopt/man/ALTopt-package.Rd |

ALTopt/man/compare.fus.Rd |

ALTopt/man/Dobj.ic.Rd |

ALTopt/man/PreVar.Rd |

ALTopt/man/alteval.rc.Rd |

ALTopt/man/pv.fus.rc.Rd |

ALTopt/man/pv.vdus.rc.Rd |

ALTopt/man/altopt.rc.Rd |

ALTopt/man/kmeansCls.Rd |

ALTopt/man/altopt.ic.Rd |

ALTopt/man/alteval.ic.Rd |

ALTopt/man/pv.contour.ic.Rd |

ALTopt/man/ExtendedForm.Rd |

ALTopt/man/Iobj.rc.Rd |

ALTopt/man/compare.vdus.Rd |