Gives the count of NAs per column.
    
     
    h2o.nacnt(x)
    
    Arguments
    
    
    Value
    Returns a list containing the count of NAs per column
    
    Examples
    # NOT RUN {
h2o.init()
iris.hex <- as.h2o(iris)
h2o.nacnt(iris.hex)  # should return all 0s
h2o.insertMissingValues(iris.hex)
h2o.nacnt(iris.hex)
# }