Found the following math rendering problems:
plsim.MAVE.Rd:35: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\alpha}_0
plsim.MAVE.Rd:36: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\beta}_0
plsim.MAVE.Rd:55: Undefined control sequence: \boldmath in \hat{\eta}(Z^T\Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\hat{\alpha} }âŠ
plsim.MAVE.Rd:64: Undefined control sequence: \boldmath in Z^T\Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\hat{\alpha}}
plsim.bw.Rd:50: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\alpha}_0
plsim.bw.Rd:51: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\beta}_0
plsim.est.Rd:33: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\alpha}_0
plsim.est.Rd:34: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\beta}_0
plsim.est.Rd:49: Undefined control sequence: \boldmath in \hat{\eta}(Z^T\Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\hat{\alpha} }âŠ
plsim.est.Rd:57: Undefined control sequence: \boldmath in Z^T\Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\hat{\alpha}}
plsim.ini.Rd:34: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\alpha}_0
plsim.ini.Rd:35: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\beta}_0
plsim.lam.Rd:32: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\alpha}_0
plsim.lam.Rd:33: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\beta}_0
plsim.vs.hard.Rd:39: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\alpha}_0
plsim.vs.hard.Rd:40: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\beta}_0
plsim.vs.soft.Rd:34: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\alpha}_0
plsim.vs.soft.Rd:35: Undefined control sequence: \boldmath in \Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\beta}_0
plsim.vs.soft.Rd:57: Undefined control sequence: \boldmath in \hat{\eta}(Z^T\Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\hat{\alpha} }âŠ
plsim.vs.soft.Rd:66: Undefined control sequence: \boldmath in Z^T\Ì²bÌ²oÌ²lÌ²dÌ²mÌ²aÌ²tÌ²hÌ²{\hat{\alpha}}