Stat 505 - Fall 2013 - R programs

Zip file with the EnvStats library: EnvStats, version 0.0-7
Zip file with the EnvStats library that works with R 3.0: EnvStats, version 0.0-8
• Part I: below detection limit values
  • mlnorm.r ML estimation using optim()
  • ESdetlimit.r Using EnvStats for below-detection limit data
  • simulate.r Simulate data sets and numerically assess properties of an estimator

• Part II: toxicology
  • minnow.r Using optim() and mle() to fit dose-response curves and calculate profile confidence intervals.
  • doseresponse.r Using functions in drc package to fit dose-response curves.

• Part III: trends
  • trend.r Parametric and loess trend estimation
  • trend2.r Nonparametric trend estimation, stl plots
  • trend3.r Trend estimation with censored values
  • theil sen.r Computing Theil-sen estimate
  • matrix.r, which demonstrates matrix computations in R

• Part IV: Regulatory issues
  • tolint.r Code to calculate tolerance interval k for specified content and coverage using R functions
  • intervals.r EnvStats code to compute prediction and tolerance intervals

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Code for HW answers:

• my code for HW 1 problems