checkRd: (-1) roben.Rd:53: Lost braces; missing escapes or markup?
    53 | When {structure="sparsegroup"} (default setting), selection will be conducted on both individual and group levels (bi-level selection):
       |      ^
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    58 | If {structure="group"}, only group-level selection will be conducted on \eqn{||\beta_{j}||_{2}}. If {structure="individual"}, only individual-level selection will be conducted on each \eqn{\beta_{jl}}, (\eqn{l=1,\ldots,L}).
       |    ^
checkRd: (-1) roben.Rd:58: Lost braces; missing escapes or markup?
    58 | If {structure="group"}, only group-level selection will be conducted on \eqn{||\beta_{j}||_{2}}. If {structure="individual"}, only individual-level selection will be conducted on each \eqn{\beta_{jl}}, (\eqn{l=1,\ldots,L}).
       |                                                                                                     ^
checkRd: (-1) roben.Rd:60: Lost braces; missing escapes or markup?
    60 | When {sparse=TRUE} (default), spike--and--slab priors are imposed on individual and/or group levels to identify important main and interaction effects. Otherwise, Laplacian shrinkage will be used.
       |      ^
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    62 | When {robust=TRUE} (default), the distribution of \eqn{\epsilon_{i}} is defined as a Laplace distribution with density
       |      ^
checkRd: (-1) roben.Rd:65: Lost braces; missing escapes or markup?
    65 | }, (\eqn{i=1,\dots,n}), which leads to a Bayesian formulation of LAD regression. If {robust=FALSE}, \eqn{\epsilon_{i}} follows a normal distribution.
       |                                                                                     ^
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