Turn Clean Data into Messy Data (salty)
Take real or simulated data and salt it with errors commonly found in the wild, such as pseudo-OCR errors, Unicode problems, numeric fields with nonsen …

Multiple Hurdle Tobit Models (mhurdle)
Estimation of models with zero left-censored variables. Null values may be caused by a selection process (Cragg (1971) <doi:10.2307/1909582>), in …

Miscellaneous Time Series Filters (mFilter)
The mFilter package implements several time series filters useful for smoothing and extracting trend and cyclical components of a time series. The rout …

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