feature_id
Features Political Africa Provinces[label prov_na the_geom country_na ]
grid: /feature_id (unitless) ordered [ (1) (2) (3) ... (251010)] N= 670 pts :grid	M
Features Political Africa Provinces the_geom[ | feature_id]	M
Features Political Africa Provinces country_na[ | feature_id]	M

SOURCES .Features .Political .Africa .Provinces the_geom feature_id exch 2 index .country_na

Filters

Here are some filters that are useful for manipulating data. There are actually many more available, but they have to be entered manually. See Ingrid Function Documentation for more information.

• Monthly Climatology calculates a monthly climatology by averaging over all years.
• anomalies calculates the difference between the (above) monthly climatology and the original data.
• Integrate along feature_id
• Differentiate along feature_id
• Take differences along feature_id

Average over feature_id |
RMS (root mean square with mean *not* removed) over feature_id |
RMSA (root mean square with mean removed) over feature_id |
Maximum over feature_id |
Minimum over feature_id |
Detrend (best-fit-line) over feature_id |

Convert units from ids to

Note on units