LaTeX errors when creating PDF version.
This typically indicates Rd problems.
LaTeX errors found:
! Undefined control sequence.
<argument> HF(c) = \dfrac 
                          {\sum _{j=1}^c \sum _{i=1}^n\mu _{ij}^m\| {x}_i-{v...
l.1212 ...eq k }\{\| {v}_j-{v}_k\|^2\}\right)}.}{}
                                                  
! Undefined control sequence.
<argument> ...neq k}\{\| {v}_j-{v}_k\|^2\} +\text 
                                                  {median}_{j \neq k }\{\| {...
l.1212 ...eq k }\{\| {v}_j-{v}_k\|^2\}\right)}.}{}
                                                  
! Undefined control sequence.
<argument> KWON(c) = \dfrac 
                            {\sum _{j=1}^c\sum _{i=1}^n \mu _{ij}^2 \|{x}_i-...
l.1526 }{}
          
! Undefined control sequence.
<argument> KWON2(c) = \dfrac 
                             {w_1\left [w_2\sum _{j=1}^c\sum _{i=1}^n \mu _{...
l.1612 }{}
          
! Undefined control sequence.
<argument> ...m}{2}}}} \|{x}_i-{v}_j\|^2 + \dfrac 
                                                  {\sum _{j=1}^c\| {v}_j-{v}...
l.1612 }{}
          
! Undefined control sequence.
<argument> TANG(c) = \dfrac 
                            {\sum _{j=1}^c \sum _{i=1}^n\mu _{ij}^2\| {x}_i-...
l.2371 ...{ \| {v}_j-{v}_k\|^2 \}+\frac{1}{c}}.}{}
                                                  
! Undefined control sequence.
<argument> WL(c) = \dfrac 
                          {\sum _{j=1}^c\left (\dfrac {\sum _{i=1}^n\mu _{ij...
l.2456 ...}_{j \neq k }\{\| {v}_j-{v}_k\|^2\}}.}{}
                                                  
! Undefined control sequence.
<argument> ... \dfrac {\sum _{j=1}^c\left (\dfrac 
                                                  {\sum _{i=1}^n\mu _{ij}^2\...
l.2456 ...}_{j \neq k }\{\| {v}_j-{v}_k\|^2\}}.}{}
                                                  
! Undefined control sequence.
<argument> ...neq k}\{\| {v}_j-{v}_k\|^2\} +\text 
                                                  {median}_{j \neq k }\{\| {...
l.2456 ...}_{j \neq k }\{\| {v}_j-{v}_k\|^2\}}.}{}
                                                  
! Undefined control sequence.
<argument>  XB(c) = \dfrac 
                           {\sum _{j=1}^c\sum _{i=1}^n\mu _{ij}^2\| {x}_i-{v...
l.2736 ..._{j\neq k} \{ \| {v}_j-{v}_k\|^2 \}}.}{}