checkRd: (-1) PenalizedLDA.Rd:81: Lost braces; missing escapes or markup?
    81 | max_b { b' Sigma_bet b  - lambda*d*sum(abs(b)) } s.t. ||b||^2 <= 1
       |       ^
checkRd: (-1) PenalizedLDA.Rd:88-89: Lost braces
    88 | max_b { b' Sigma_bet b - lambda*d*sum(abs(b)) - lambda2*d*sum(abs(bj -
       |       ^
checkRd: (-1) PenalizedLDA.Rd:81: Lost braces; missing escapes or markup?
    81 | max_b { b' Sigma_bet b  - lambda*d*sum(abs(b)) } s.t. ||b||^2 <= 1
       |       ^
checkRd: (-1) PenalizedLDA.Rd:88-89: Lost braces
    88 | max_b { b' Sigma_bet b - lambda*d*sum(abs(b)) - lambda2*d*sum(abs(bj -
       |       ^
Package required but not available: ‘flsa’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.