act_tbl-class           'act_tbl' class
get_ggmap_from_df       Get a map for a given 'act_tbl'
localize_to_time_zone   Localize time zone values
mutate_with_speed       Augments an 'act_tbl' with a speed column
pace_formatter          Format pace durations
parse_gpx               Parses a GPX file into a 'act_tbl'
parse_tcx               Parses a TCX file into a 'act_tbl'
speed_to_mile_pace      Convert speed to mile pace
summary.act_tbl         Summarizes 'act_tbl' objects.
