Signature Description Parameters
templat<typename T, typename I = unsigned long, typename = typename std::enable_if<std::is_arithmetic<T>::value, T>::type>
struct StatsVisitor;
This functor class calculates the following statistics of a given column; mean, variance, standard deviation, skew, and kurtosis. See this document and dataframe_tester.cc for examples. T: Column data type.
I: Index type.