| coga | coga: Convolution of independent Gamma Distributions |
| dcoga | Convolution of Gamma Distributions (Exact Method). |
| dcoga2dim | Convolution of Two Gamma Distributions (Exact Method). |
| dcoga_approx | Convolution of Gamma distribuitons (Approximation Method) |
| pcoga | Convolution of Gamma Distributions (Exact Method). |
| pcoga2dim | Convolution of Two Gamma Distributions (Exact Method). |
| pcoga2dim_diff_shape | Recurrence Identity of Shape Parameter for 'pcoga2dim' |
| pcoga_approx | Convolution of Gamma distribuitons (Approximation Method) |
| rcoga | Convolution of Gamma Distributions (Exact Method). |