Converts a data frame of lake observations into the format required for AEME. The function maps variable names and units to AEME standards using provided lookup tables. It also ensures that required columns are present and correctly named.
Usage
lake_obs_to_aeme(
data,
depth_col_name,
datetime_col_name,
var_col_name,
value_col_name,
lake_id_col,
var_map,
depth_to_col_name,
sd_col_name,
tz = "UTC"
)Arguments
- data
data frame containing lake observations
- depth_col_name
column name for depth (m). If missing, the function will attempt to infer it.
- datetime_col_name
column name for date/time. If missing, the function will attempt to infer it.
- var_col_name
column name for variable names. If missing, the function will attempt to infer it.
- value_col_name
column name for variable values. If missing, the function will attempt to infer it.
- lake_id_col
column name for lake identifier. If missing, the function assumes all data is for a single lake.
- var_map
data frame with columns "var_aeme", "name", and "unit" for mapping variable names and units to AEME standards. "var_aeme" is the defined AEME variable name, "name" is the name used in the input data, and "unit" is the unit used in the input data.
- depth_to_col_name
column name for the bottom of an integrated sample (m). Optional; if missing, no
depth_tocolumn is produced.- sd_col_name
column name for the measurement standard deviation, in the input units of each variable. Optional; if missing, no
sdcolumn is produced.- tz
character; Olson timezone a naive datetime column is expressed in. Sub-daily timestamps are converted to UTC and kept at their time-of-day; daily data is treated as calendar dates (never shifted) and anchored at 12:00:00 UTC. Default
"UTC".