| arabidopsis | Statistics on Chlorophyll Fluorescence Parameters | 
| dnormratio | Density Function of a Normal Ratio Distribution | 
| estparEM | Estimation of the Parameters of a Normal Ratio Distribution | 
| estparnormratio | Estimation of the Parameters of a Normal Ratio Distribution | 
| estparnormratio,estparEM,estparVB | Estimation of the Parameters of a Normal Ratio Distribution | 
| estparVB | Estimation of the Parameters of a Normal Ratio Distribution | 
| kummer | Confluent D-Hypergeometric Function | 
| lnpochhammer | Logarithm of the Pochhammer Symbol | 
| pnormratio | Cumulative Distribution of a Normal Ratio Distribution | 
| pochhammer | Pochhammer Symbol | 
| rnormratio | Simulate from a Normal Ratio Distribution |