Data | Indexing with list with missing labels is deprecated in Pandas
date
Apr 12, 2020
slug
index-missing-label-deprecated-pandas
status
Published
summary
For
.reindex
, from 0.21.0, .loc
or []
are not allowed to index with a list with one or more missing labels in Pandas。tags
Academic
Data Analysis
Python
Pandas
type
Post
For
.reindex
, from 0.21.0, .loc
or []
are not allowed to index with a list with one or more missing labels in Pandas。Starting in 0.21.0, using .loc or [] with a list with one or more missing labels, is deprecated, in favor of .reindex.
i.e.
Before
Simple:
Get:
After
Now, we only get:
Similar behavior in a simple way
In current version (>0.21.0), we can use
.reindex
to get expected result as before, according to the official document:In DataFrame, similar:
More examples are listed here。
Pandas updates a lot~~~ : (