difference between rf_dpois and rm dpois difference between rf_dpois and dpois what is the difference between the rf dpois and the rf dpois in r? dpois function in r what is rf_dpois? what is the difference between rf-dpois and rp.dpois what is rf_dpois in r what is the difference between dpois and rf_dpois what is the function dpois mean? what is rf_dpois in a.h file difference from rf_dpois and dpois what is rf_dpois difference between dpois and rf_dpois difference between rf dpois and dpois function difference between dpois and functions what is the difference between rf_dpois and rf_dpois? difference between rf dpois and rmath dpois what is rf_dpois what is the difference between rmath and dpois what is the difference between rf_dpois in rmath.h and the function that I use directly in r?