Category

Feature

IHDA

Sample size

Number of cases

2000

Variables

concentration, <LOD (date, group  note yet activated)

x

concentration, <LOD


Statistics

order (i.e., nonparametric) statistics

x

descriptive statistics

x

compliance statistics (parametric)

x

compliance statistics (nonparametric) 
x

Goodnessoffit

graphs (time series, logprobit, histogram)

x

statistical tests 
x

high resolution, customizable large graphs

x

Censored Data Analysis

leftcensored datasets 
x

rightcensored datasets (not yet activated in
IHDA) 
x

Substitution methods, Logprobit Regression (LPR),
Maximum Likelihood Estimation (MLE), betasubstitution 
x

Robust LPR and robust MLE

x

Robust LPR and robust MLE for multiple censoring points 
x

Nonparametric (NP) methods: NP upper percentiles; KaplanMeier
median, mean and upper percentiles 
x

Logprobit and KaplanMeier charts 
x

ad hoc nonparametric test of compliance for severely
censored data 
x

high resolution, customizable large graphs

x

Bayesian Decision Analysis

exposure category Decision Charts

x

AIHA Exposure Control Bands (04 or 15)

x

EU Exposure Control Bands (DA, NR) for vapors and particulates

x

categorical prior 
x

univariate and bivariate priors 
x

customizable large decision charts

x

customizable decision function charts 
x

handles nondetects 
x

respirator and noise PPE selection charts 
x

high resolution, customizable large graphs 
x

Report generation

automatic report builder 
x

report editor 
x

copy from Statistics output memo field and paste into a wordprocessor
or slideshow 
x

copy and paste graphs into a wordprocessor or slideshow 
x

Miscellaneous

program color scheme options 
x

unit and scale conversions 
x

Customer Support

telephone (30 days) and email (1 year)

x
