| coef.ddm | Methods for ddm objects | 
| da2_dfddm | Second-Order Partial Derivative of 5-parameter DDM PDF with respect to a (threshold separation) | 
| da_dfddm | Partial Derivative of 5-parameter DDM PDF with respect to a (threshold separation) | 
| ddm | Estimation of 5-Parameter DDM | 
| ddm-methods | Methods for ddm objects | 
| dfddm | Density of Ratcliff Diffusion Decision Model | 
| dsv2_dfddm | Second-Order Partial Derivative of 5-parameter DDM PDF with respect to sv (inter-trial variability in the drift rate) | 
| dsv_dfddm | Partial Derivative of 5-parameter DDM PDF with respect to sv (inter-trial variability in the drift rate) | 
| dt02_dfddm | Second-Order Partial Derivative of 5-parameter DDM PDF with respect to t0 (non-decision time) | 
| dt0_dfddm | Partial Derivative of 5-parameter DDM PDF with respect to t0 (non-decision time) | 
| dt2_dfddm | Second-Order Partial Derivative of 5-parameter DDM PDF with respect to t (response time) | 
| dt_dfddm | Partial Derivative of 5-parameter DDM PDF with respect to t (response time) | 
| dv2_dfddm | Second-Order Partial Derivative of 5-parameter DDM PDF with respect to v (drift rate) | 
| dv_dfddm | Partial Derivative of 5-parameter DDM PDF with respect to v (drift rate) | 
| dw2_dfddm | Second-Order Partial Derivative of 5-parameter DDM PDF with respect to w (initial bias) | 
| dw_dfddm | Partial Derivative of 5-parameter DDM PDF with respect to w (initial bias) | 
| emm_basis.ddm | Methods for ddm objects | 
| logLik.ddm | Methods for ddm objects | 
| med_dec | Medicial decision data | 
| model.frame.ddm | Methods for ddm objects | 
| model.matrix.ddm | Methods for ddm objects | 
| pfddm | Distribution of Ratcliff Diffusion Decision Model | 
| print.ddm | Methods for ddm objects | 
| print.summary.ddm | Methods for ddm objects | 
| recover_data.ddm | Methods for ddm objects | 
| summary.ddm | Methods for ddm objects | 
| terms.ddm | Methods for ddm objects | 
| update.ddm | Methods for ddm objects | 
| vcov.ddm | Methods for ddm objects |