| fdata | Frequency and Specimens Data | 
| freqplot | Frequency plot for a lagphase fit | 
| growthplot | Produces plot of the fitted spline function after adjusting for number of Specimens | 
| lagfit | Fits a piecewise glm model with lags | 
| raw2freqdata | Extract Frequency and Specimen data from the raw data | 
| rawdata | Raw GBIF Data | 
| yeardata | Total Specimens Data |