checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^
checkRd: (-1) BETSsearch.Rd:56: Lost braces
    56 |        \item{To exclude whole expressions from the search, surround them with code{' '} and insert a \code{~} before each of them.
       |                                                                                   ^
checkRd: (-1) dummy.Rd:23: Lost braces; missing escapes or markup?
    23 | \item{date}{a \code{list}. The periods for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                               ^
checkRd: (-1) dummy.Rd:25: Lost braces; missing escapes or markup?
    25 | \item{from}{An \code{integer vector} The starting period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                                                         ^
checkRd: (-1) dummy.Rd:27: Lost braces; missing escapes or markup?
    27 | \item{to}{The ending period of a sequence of perids for which the dummy must be set to one. Periods must be represented as {integer vectors}, as described for \code{start} and \code{end}.}
       |                                                                                                                            ^