:orphan:
:html_theme.sidebar_secondary.remove:
.. This document is auto-generated by the altair-gallery extension. Do not modify directly.
.. _gallery_line_percent:
Line Chart with Percent axis
----------------------------
This example shows how to format the tick labels of the y-axis of a chart as percentages.
.. altair-plot::
:remove-code:
import altair as alt
from vega_datasets import data
source = data.jobs.url
alt.Chart(source).mark_line().encode(
alt.X('year:O'),
alt.Y('perc:Q', axis=alt.Axis(format='%')),
color='sex:N'
).transform_filter(
alt.datum.job == 'Welder'
)
.. tab-set::
.. tab-item:: Method syntax
:sync: method
.. code:: python
import altair as alt
from vega_datasets import data
source = data.jobs.url
alt.Chart(source).mark_line().encode(
alt.X('year:O'),
alt.Y('perc:Q').axis(format='%'),
alt.Color('sex:N')
).transform_filter(
alt.datum.job == 'Welder'
)
.. tab-item:: Attribute syntax
:sync: attribute
.. code:: python
import altair as alt
from vega_datasets import data
source = data.jobs.url
alt.Chart(source).mark_line().encode(
alt.X('year:O'),
alt.Y('perc:Q', axis=alt.Axis(format='%')),
color='sex:N'
).transform_filter(
alt.datum.job == 'Welder'
)