Add groupby example to readme

dcherian · dcherian · commit 25a063ced9cf · 2020-06-01T10:32:11.000-06:00
diff --git a/README.md b/README.md
@@ -10,7 +10,9 @@ ds = xr.tutorial.load_dataset("air_temperature").isel(time=slice(4))
 
 ds.air.cf.var("X")
 
-ds.air.cf.resample(T="M").var("X")
+ds.air.cf.resample(T="M").var()
+
+ds.air.cf.groupby("T").var("Y")
 
 (
 	ds.air

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,9 @@ ds = xr.tutorial.load_dataset("air_temperature").isel(time=slice(4))`
`10`	`10`
`11`	`11`	`ds.air.cf.var("X")`
`12`	`12`
`13`		`-ds.air.cf.resample(T="M").var("X")`
	`13`	`+ds.air.cf.resample(T="M").var()`
	`14`	`+`
	`15`	`+ds.air.cf.groupby("T").var("Y")`
`14`	`16`
`15`	`17`	`(`
`16`	`18`	`ds.air`