DOC: .bfill() (#46631) (#46642)

kwhkim · web-flow · commit 103c92e7c276 · 2022-04-05T19:35:31.000-04:00
diff --git a/doc/source/user_guide/cookbook.rst b/doc/source/user_guide/cookbook.rst
@@ -423,7 +423,7 @@ Fill forward a reversed timeseries
    )
    df.loc[df.index[3], "A"] = np.nan
    df
-   df.reindex(df.index[::-1]).ffill()
+   df.bfill()
 
 `cumsum reset at NaN values
 <https://stackoverflow.com/questions/18196811/cumsum-reset-at-nan>`__

Original file line number	Diff line number	Diff line change
`@@ -423,7 +423,7 @@ Fill forward a reversed timeseries`
`423`	`423`	`)`
`424`	`424`	`df.loc[df.index[3], "A"] = np.nan`
`425`	`425`	`df`
`426`		`- df.reindex(df.index[::-1]).ffill()`
	`426`	`+ df.bfill()`
`427`	`427`
`428`	`428`	`cumsum reset at NaN values
`429`	`429`	<https://stackoverflow.com/questions/18196811/cumsum-reset-at-nan>`__