Found the following HTML validation problems:
auc.html:19:1 (auc.Rd:3): Warning: <h2> attribute "id" has invalid value "ROC and AUC"
big_cor.html:19:1 (big_cor.Rd:3): Warning: <h2> attribute "id" has invalid value "Correlation matrix for FBM class matrices (big matrices)"
big_read.html:19:1 (big_read.Rd:3): Warning: <h2> attribute "id" has invalid value "Read big data or a big.matrix object"
bn.skel.utils.html:19:1 (bn.skel.utils.Rd:4): Warning: <h2> attribute "id" has invalid value "Utilities for the skeleton of a (Bayesian) network"
bnmat.html:19:1 (bnmat.Rd:4): Warning: <h2> attribute "id" has invalid value "Adjacency matrix of a Bayesian network"
bnplot.html:19:1 (bnplot.Rd:4): Warning: <h2> attribute "id" has invalid value "Plot of a Bayesian network"
cat.tests.html:19:1 (cat.tests.Rd:4): Warning: <h2> attribute "id" has invalid value "Chi-square and G-square tests of (unconditional) indepdence"
conf.edge.lower.html:19:1 (conf.edge.lower.Rd:3): Warning: <h2> attribute "id" has invalid value "Lower limit of the confidence of an edge"
cor.fbed.html:19:1 (cor.fbed.Rd:3): Warning: <h2> attribute "id" has invalid value "Variable selection for continuous data using the FBED algorithm"
cor2pcor.html:19:1 (cor2pcor.Rd:3): Warning: <h2> attribute "id" has invalid value "Partial correlation matrix from correlation or covariance matrix"
corpairs.html:19:1 (corpairs.Rd:3): Warning: <h2> attribute "id" has invalid value "Correlation between pairs of variables"
cortest.html:19:1 (cortest.Rd:3): Warning: <h2> attribute "z-transformation'" lacks value
cortest.html:19:1 (cortest.Rd:3): Warning: <h2> attribute "id" has invalid value "Correlation significance testing using Fisher"
cortest.html:19:1 (cortest.Rd:3): Warning: <h2> proprietary attribute "s"
dcor.fedhc.skel.html:19:1 (dcor.fedhc.skel.Rd:3): Warning: <h2> attribute "id" has invalid value "Skeleton of the FEDHC algorithm using the distance correlation"
fedhc.html:19:1 (fedhc.Rd:4): Warning: <h2> attribute "id" has invalid value "The FEDHC and FEDTABU Bayesian network learning algorithms"
fedhc.boot.html:19:1 (fedhc.boot.Rd:4): Warning: <h2> attribute "id" has invalid value "Bootstrapping the FEDHC and FEDTABU Bayesian network learning algorithms"
fedhc.skel.html:19:1 (fedhc.skel.Rd:3): Warning: <h2> attribute "id" has invalid value "Skeleton of the FEDHC algorithm"
g2test.html:19:1 (g2test.Rd:6): Warning: <h2> attribute "id" has invalid value "G-square and Chi-square test of conditional indepdence"
g2test_univariate.html:19:1 (g2test_univariate.Rd:6): Warning: <h2> attribute "id" has invalid value "All pairwise G-square and chi-square tests of indepedence"
is.dag.html:19:1 (is.dag.Rd:3): Warning: <h2> attribute "id" has invalid value "Check whether a directed graph is acyclic"
mb.html:19:1 (mb.Rd:3): Warning: <h2> attribute "id" has invalid value "Markov blanket of a node in a Bayesian network"
mmhc.html:19:1 (mmhc.Rd:4): Warning: <h2> attribute "id" has invalid value "The MMHC and MMTABU Bayesian network learning algorithms"
mmhc.boot.html:19:1 (mmhc.boot.Rd:4): Warning: <h2> attribute "id" has invalid value "Bootstrapping the MMHC and MMTABU Bayesian network learning algorithms"
mmhc.skel.html:19:1 (mmhc.skel.Rd:3): Warning: <h2> attribute "id" has invalid value "Skeleton of the MMHC algorithm"
mmpc.html:19:1 (mmpc.Rd:3): Warning: <h2> attribute "id" has invalid value "Variable selection for continuous data using the MMPC algorithm"
pc.sel.html:19:1 (pc.sel.Rd:4): Warning: <h2> attribute "id" has invalid value "Variable selection for continuous data using the PC-simple algorithm"
pchc.html:19:1 (pchc.Rd:4): Warning: <h2> attribute "id" has invalid value "The PCHC and PCTABU Bayesian network learning algorithms"
pchc.boot.html:19:1 (pchc.boot.Rd:4): Warning: <h2> attribute "id" has invalid value "Bootstrapping the PCHC and PCTABU Bayesian network learning algorithms"
pchc.skel.html:19:1 (pchc.skel.Rd:3): Warning: <h2> attribute "id" has invalid value "Skeleton of the PC algorithm"
pchc.skel.boot.html:19:1 (pchc.skel.boot.Rd:5): Warning: <h2> attribute "id" has invalid value "Bootstrap versions of the skeleton of a Bayesian network"
pcor.html:19:1 (pcor.Rd:3): Warning: <h2> attribute "id" has invalid value "Partial correlation between two continuous variables"
pi0est.html:19:1 (pi0est.Rd:3): Warning: <h2> attribute "id" has invalid value "Estimation of the percentage of null p-values"
rbn.html:19:1 (rbn.Rd:3): Warning: <h2> attribute "id" has invalid value "Random values simulation from a Bayesian network"
rbn2.html:19:1 (rbn2.Rd:4): Warning: <h2> attribute "id" has invalid value "Continuous data simulation from a DAG"
rmcd.html:19:1 (rmcd.Rd:3): Warning: <h2> attribute "id" has invalid value "Outliers free data via the reweighted MCD"
topological_sort.html:19:1 (topological_sort.Rd:3): Warning: <h2> attribute "id" has invalid value "Topological sort of a Bayesian network"