Convenience function that takes path and returns the number of observations

Because Beiwe chunks data into 1 hour files, we cannot immediately tell which files have one observation and which files have thousands. This is just a wrapper function that uses countLines() to return the number of data lines (i.e., excluding the header file). In simple benchmarks, this is the fastest funciton.

.count_data_lines(csv_path)

Arguments

csv_path	path to the csv file as a string

Value

number of data lines (excluding header) as integer