checkRd: (-1) classmap.Rd:44: Lost braces
    44 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) confmat.vcr.Rd:30: Lost braces
    30 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) makeFV.Rd:34: Lost braces
    34 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) makeKernel.Rd:25: Lost braces
    25 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) stackedplot.Rd:37: Lost braces
    37 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) vcr.da.newdata.Rd:41: Lost braces
    41 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) vcr.da.train.Rd:46: Lost braces
    46 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) vcr.knn.newdata.Rd:42: Lost braces
    42 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) vcr.knn.train.Rd:43: Lost braces
    43 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) vcr.svm.newdata.Rd:38: Lost braces
    38 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^
checkRd: (-1) vcr.svm.train.Rd:41: Lost braces
    41 | Raymaekers J., Rousseeuw P.J., Hubert M. (2021). Class maps for visualizing classification results. \emph{Technometrics}, appeared online. \doi{10.1080/00401706.2021.1927849}{(link to open access pdf)}
       |                                                                                                                                                                               ^