search for: var_pop

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2009 Dec 25
0
sqldf 0.2-0
...extension is found on PATH then it will automatically be loaded into SQLite the first time sqldf is called in a session. This gives access to several dozen new SQL functions. For a complete list see: http://www.gaia-gis.it/spatialite/spatialite-sql-2.3.1.html For example, stddev_pop and var_pop are functions provided in the dll used in this example: sqldf("select avg(demand) mean, stddev_pop(demand) sd, var_pop(demand) var from BOD") (If the loadable extension is not found then sqldf still works with all the functionality it previously had but the new functions in the l...
2009 Dec 25
0
sqldf 0.2-0
...extension is found on PATH then it will automatically be loaded into SQLite the first time sqldf is called in a session. This gives access to several dozen new SQL functions. For a complete list see: http://www.gaia-gis.it/spatialite/spatialite-sql-2.3.1.html For example, stddev_pop and var_pop are functions provided in the dll used in this example: sqldf("select avg(demand) mean, stddev_pop(demand) sd, var_pop(demand) var from BOD") (If the loadable extension is not found then sqldf still works with all the functionality it previously had but the new functions in the l...