DataFrame Files

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Improved documentation both visually and content-wise Changed NLargestVisitor to take N as constructor parameter instead of template parameter (backward incompatible change) Implemented get_top_n_[data|view]() Implemented get_bottom_n_[data|view]() Implemented get_above_quantile_[data|view]() Implemented get_below_quantile_[data|view]() Added period parameter to ReturnVisitor visitor Implemented starts_with() Implemented ends_with() Implemented CumCountVisitor visitor Implemented in_between() Implemented peaks() Implemented valleys() Made reading/writing large files faster Implemented apply() Made replace() faster with better algorithm Implemented truncate() Implemented a version of load_column() with functor generating data Implemented explode() Implemented reading/writing std::pair columns from/to files Added more sanity checks Implemented difference() Implemented get_[data|view]_at_times() Implemented get_[data|view]_before_times() Implemented get_[data|view]_after_times() Implemented get_[data|view]_on_days() Implemented get_[data|view]_in_months() Implemented get_[data|view]_on_days_in_month() Implemented get_[data|view]_between_times() Implemented remove_top_n_data() Implemented remove_bottom_n_data() Implemented remove_above_quantile_data() Implemented remove_below_quantile_data() Implemented remove_data_by_stdev() Implemented get_[data|view]_by_stdev()