| PBIBD-package | Partially Balanced Incomplete Block Designs | 
| apbibd | Calculates the efficiencies of PBIB designs with any number of associate classes. | 
| circulant | This function generates circulant matrix of order n. | 
| PBIBD | Partially Balanced Incomplete Block Designs | 
| series1 | This function constructs five-associate class PBIB designs. | 
| series2 | This function constructs five-associate class PBIB designs | 
| series3 | This function constructs five-associate class PBIB designs | 
| series4 | This function constructs three-associate class PBIB designs. | 
| series5 | This function constructs three-associate class PBIB designs. | 
| series6 | This function constructs three-associate class PBIB designs. | 
| verify | Verifies all the necessary conditions for the existence of PBIB designs based on any association scheme. | 
| ym1 | Constructs Youden-m square designs and provides parameters of the corresponding PBIB design | 
| ym2 | Constructs Youden-m square designs and provides the parameters of the corresponding PBIB design | 
| ym3 | Constructs Youden-m square designs and provides parameters of the corresponding PBIB design |