LaTeX errors when creating PDF version.
This typically indicates Rd problems.
LaTeX errors found:
! Undefined control sequence.
<argument> B(x^{\text 
                      {target}}, r_{i})
l.70 \eqn{B(x^{\text{target}}, r_{i})}{}
                                         with radii r using minimum amount of
! Undefined control sequence.
<argument> X^{\text 
                    {non-target}}\cap \bigcup _{i} B_{i} = \varnothing 
l.72 B_{i} = \varnothing}{}
                            (pure) and \eqn{X^{\text{target}}\subset \bigcup...
! Undefined control sequence.
<argument> ...ap \bigcup _{i} B_{i} = \varnothing 
                                                  
l.72 B_{i} = \varnothing}{}
                            (pure) and \eqn{X^{\text{target}}\subset \bigcup...
! Undefined control sequence.
<argument> X^{\text 
                    {target}}\subset \bigcup _{i} B_{i}
l.73 B_{i}}{}
              (proper).
! Undefined control sequence.
<argument> T_{\text 
                    {target}}
l.386 \eqn{T_{\text{target}}}{}
                                score for each class as target class as
! Undefined control sequence.
<argument>  T_{\text 
                     {target}}=R_{\text {target}}(r_{\text {target}})-\frac ...
l.390 }{}
         
! Undefined control sequence.
<argument>  T_{\text {target}}=R_{\text 
                                        {target}}(r_{\text {target}})-\frac ...
l.390 }{}
         
! Undefined control sequence.
<argument> ...arget}}=R_{\text {target}}(r_{\text 
                                                  {target}})-\frac {r_{\text...
l.390 }{}
         
! Undefined control sequence.
<argument> r_{\text 
                    {target}}n_u
l.390 }{}
         
! Undefined control sequence.
<argument> r_{\text 
                    {target}}
l.392 Here, \eqn{r_{\text{target}}}{}
                                      is radius and determined by maximum
! Undefined control sequence.
<argument> R_{\text 
                    {target}}(r) - P_{\text {target}}(r)
l.393 ...ext{target}}(r) - P_{\text{target}}(r)}{}
                                                   calculated for each targe...
! Undefined control sequence.
<argument> R_{\text {target}}(r) - P_{\text 
                                            {target}}(r)
l.393 ...ext{target}}(r) - P_{\text{target}}(r)}{}
                                                   calculated for each targe...
! Undefined control sequence.
<argument> R_{\text 
                    {target}}(r)
l.394 \eqn{R_{\text{target}}(r)}{}
                                   is
! Undefined control sequence.
<argument>  R_{\text 
                     {target}}(r):= w_{target}|{z\in X^{\text {target}}_{n_{...
l.399 }{}
         
! Undefined control sequence.
<argument> ...et}}(r):= w_{target}|{z\in X^{\text 
                                                  {target}}_{n_{\text {targe...
l.399 }{}
         
! Undefined control sequence.
<argument> ...|{z\in X^{\text {target}}_{n_{\text 
                                                  {target}}}:d(x^{\text {tar...
l.399 }{}
         
! Undefined control sequence.
<argument> ...t}}_{n_{\text {target}}}:d(x^{\text 
                                                  {target}},z)\leq r}| - w_{...
l.399 }{}
         
! Undefined control sequence.
<argument> ...r}| - w_{non-target}|{z\in X^{\text 
                                                  {non-target}}_{n_{\text {n...
l.399 }{}
         
! Undefined control sequence.
<argument> ...in X^{\text {non-target}}_{n_{\text 
                                                  {non-target}}}:d(x^{\text ...
l.399 }{}
         
! Undefined control sequence.
<argument> ...{n_{\text {non-target}}}:d(x^{\text 
                                                  {target}},z)\leq r}| 
l.399 }{}
         
! Undefined control sequence.
<argument> P_{\text 
                    {target}}(r)
l.401 and \eqn{P_{\text{target}}(r)}{}
                                       is
! Undefined control sequence.
<argument>  P_{\text 
                     {target}}(r) = m\times d(x^{\text {target}},z)^p. 
l.404 }{}
         
! Undefined control sequence.
<argument> ...t {target}}(r) = m\times d(x^{\text 
                                                  {target}},z)^p. 
l.404 }{}
         
! Undefined control sequence.
<argument> w_{target}=n_{\text 
                               {target}/n_{\text {non-target}}}
l.406 ..._{\text{target}/n_{\text{non-target}}}}{}
                                                   for balanced method.
! Undefined control sequence.
<argument> w_{target}=n_{\text {target}/n_{\text 
                                                 {non-target}}}
l.406 ..._{\text{target}/n_{\text{non-target}}}}{}
                                                   for balanced method.
! Undefined control sequence.
<argument> \max {d(x^{\text 
                            {target}},x^{\text {uncovered}})}
l.408 ...{\text{target}},x^{\text{uncovered}})}}{}
                                                  .
! Undefined control sequence.
<argument> \max {d(x^{\text {target}},x^{\text 
                                               {uncovered}})}
l.408 ...{\text{target}},x^{\text{uncovered}})}}{}
                                                  .