LaTeX errors when creating PDF version.
This typically indicates Rd problems.
LaTeX errors found:
! Missing { inserted.
<to be read again> 
                   }
l.459 ...{\rho\}_\{x_\{i\}x_\{j\}\}\right)k\}\}}{}
                                                  
! LaTeX Error: Bad math environment delimiter.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
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! Missing $ inserted.
<inserted text> 
                $
l.460 
      
! Missing } inserted.
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                }
l.460 
      
! Missing } inserted.
<inserted text> 
                }
l.460 
      
! Display math should end with $$.
<to be read again> 
                   \tex_par:D 
l.460 
      
! Extra }, or forgotten \endgroup.
\par ...m \@noitemerr {\@@par }\fi \else {\@@par }
                                                  \fi 
l.460 
      
! Argument of \math@egroup has an extra }.
<inserted text> 
                \par 
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! Paragraph ended before \math@egroup was complete.
<to be read again> 
                   \par 
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! Missing $ inserted.
<inserted text> 
                $
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! Missing } inserted.
<inserted text> 
                }
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! Missing } inserted.
<inserted text> 
                }
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! Missing } inserted.
<inserted text> 
                }
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! Display math should end with $$.
<to be read again> 
                   \tex_par:D 
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! Extra }, or forgotten \endgroup.
\par ...m \@noitemerr {\@@par }\fi \else {\@@par }
                                                  \fi 
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! Extra }, or forgotten \endgroup.
<recently read> }
                 
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! Missing $ inserted.
<inserted text> 
                $
l.622 ...\}_\{YY\}\mathbf\{w\}_\{Y\}\right)\}\}}{}
                                                  
! LaTeX Error: Bad math environment delimiter.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...                                              
! Missing $ inserted.
<inserted text> 
                $
l.623 
      
! Missing } inserted.
<inserted text> 
                }
l.623 
      
! Extra }, or forgotten \endgroup.
\par ...m \@noitemerr {\@@par }\fi \else {\@@par }
                                                  \fi 
l.623 
      
! Missing delimiter (. inserted).
<to be read again> 
                   }
l.755 ...{T\}\mathbf\{R\}_\{a\}\mathbf\{w\}\}\}}{}
                                                  
! Extra }, or forgotten \right.
<recently read> }
                 
l.755 ...{T\}\mathbf\{R\}_\{a\}\mathbf\{w\}\}\}}{}
                                                  
! LaTeX Error: Bad math environment delimiter.

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 ...                                              
! Missing $ inserted.
<inserted text> 
                $
l.756 
      
! Missing } inserted.
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                }
l.756 
      
! Missing } inserted.
<inserted text> 
                }
l.756 
      
! Display math should end with $$.
<to be read again> 
                   \tex_par:D 
l.756 
      
! Extra }, or forgotten \endgroup.
\par ...m \@noitemerr {\@@par }\fi \else {\@@par }
                                                  \fi 
l.756 
      
! Missing { inserted.
<to be read again> 
                   }
l.800 ...{2\}\}\{\bar\{\rho\}_\{a\}k(k-1)+k\}\}}{}
                                                  
! LaTeX Error: Bad math environment delimiter.

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 ...                                              
! Missing $ inserted.
<inserted text> 
                $
l.801 
      
! Missing } inserted.
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                }
l.801 
      
! Missing } inserted.
<inserted text> 
                }
l.801 
      
! Display math should end with $$.
<to be read again> 
                   \tex_par:D 
l.801 
      
! Extra }, or forgotten \endgroup.
\par ...m \@noitemerr {\@@par }\fi \else {\@@par }
                                                  \fi 
l.801 
      
! Missing { inserted.
<to be read again> 
                   }
l.1758 ...}\}\{\left(1-r^\{2\}\right)^\{1.5\}\}}{}
                                                  
! LaTeX Error: Bad math environment delimiter.

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 ...                                              
! LaTeX Error: Command \end{list} invalid in math mode.

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 ...                                              
! LaTeX Error: Something's wrong--perhaps a missing \item.

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Type  H <return>  for immediate help.
 ...                                              
! LaTeX Error: Something's wrong--perhaps a missing \item.

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Type  H <return>  for immediate help.
 ...                                              
! Missing } inserted.
<inserted text> 
                }
l.1759 \end{Details}
                    
! Missing $ inserted.
<inserted text> 
                $
l.1759 \end{Details}
                    
! Display math should end with $$.
<to be read again> 
                   \endgroup 
l.1759 \end{Details}