function to read data in csv format and convert date to POSIXct with lubridate

function to read data in csv format and convert date to POSIXct with lubridate

from_csv(path, date_format = "mdy")

Arguments

path	path to the csv file of groundwater data in the format with column names location_id, param_name, default_unit, lt_measure, analysis_result
date_format	date format as either mdy, or ymd passed to lubridate