Function wvector_variance_fmean (o2scl) ======================================= :ref:`O2scl ` : :ref:`Function List` .. doxygenfunction:: o2scl::wvector_variance_fmean(size_t n, const vec_t &data, const vec2_t &weights, double wmean) .. doxygenfunction:: o2scl::wvector_variance_fmean(const vec_t &data, const vec2_t &weights, double wmean)