spatialite-sys 0.2.0

Low-level bindings to the SpatiaLite SQLite geospatial extension
Documentation
variance
sql_stmt_tests/testdb1.sqlite
SELECT var_pop(a), var_pop(b), var_pop(nulls), var_pop(blobs), var_samp(a), var_samp(b), var_samp(blobs), var_samp(nulls) from data1;
1 # rows (not including the header row)
8 # columns
var_pop(a)
var_pop(b)
var_pop(nulls)
var_pop(blobs)
var_samp(a)
var_samp(b)
var_samp(blobs)
var_samp(nulls)
104.472222222222:10
150.12888888888:10
(NULL)
(NULL)
125.36666666666:10
180.15466666666:10
(NULL)
(NULL)