code_hits classifies data values as canopy returns, sky returns, or data markers.
code_hits(df)
Arguments
df: a raw set of pcl data
Details
The function code_hits accounts for the NAs that are in the return distance column which are actually the sky hits (i.e. when the lidar does not record a canopy hit).
Examples
# classify data values that have been imported using read_pclpcl_coded <- code_hits(pcl_data)