:orphan: :html_theme.sidebar_secondary.remove: .. This document is auto-generated by the altair-gallery extension. Do not modify directly. .. _gallery_falkensee: Population of Falkensee from 1875 to 2014 ----------------------------------------- This example is a reproduction of the Falkensee plot found in the Vega-Lite examples. .. altair-plot:: :remove-code: import altair as alt import pandas as pd source = [ {"year": "1875", "population": 1309}, {"year": "1890", "population": 1558}, {"year": "1910", "population": 4512}, {"year": "1925", "population": 8180}, {"year": "1933", "population": 15915}, {"year": "1939", "population": 24824}, {"year": "1946", "population": 28275}, {"year": "1950", "population": 29189}, {"year": "1964", "population": 29881}, {"year": "1971", "population": 26007}, {"year": "1981", "population": 24029}, {"year": "1985", "population": 23340}, {"year": "1989", "population": 22307}, {"year": "1990", "population": 22087}, {"year": "1991", "population": 22139}, {"year": "1992", "population": 22105}, {"year": "1993", "population": 22242}, {"year": "1994", "population": 22801}, {"year": "1995", "population": 24273}, {"year": "1996", "population": 25640}, {"year": "1997", "population": 27393}, {"year": "1998", "population": 29505}, {"year": "1999", "population": 32124}, {"year": "2000", "population": 33791}, {"year": "2001", "population": 35297}, {"year": "2002", "population": 36179}, {"year": "2003", "population": 36829}, {"year": "2004", "population": 37493}, {"year": "2005", "population": 38376}, {"year": "2006", "population": 39008}, {"year": "2007", "population": 39366}, {"year": "2008", "population": 39821}, {"year": "2009", "population": 40179}, {"year": "2010", "population": 40511}, {"year": "2011", "population": 40465}, {"year": "2012", "population": 40905}, {"year": "2013", "population": 41258}, {"year": "2014", "population": 41777}, ] source2 = [ {"start": "1933", "end": "1945", "event": "Nazi Rule"}, {"start": "1948", "end": "1989", "event": "GDR (East Germany)"}, ] source_df = pd.DataFrame(source) source2_df = pd.DataFrame(source2) line = alt.Chart(source_df).mark_line(color="#333").encode( x=alt.X("year:T", axis=alt.Axis(format="%Y"), title="Year"), y=alt.Y("population", title="Population"), ) point = line.mark_point(color="#333") rect = alt.Chart(source2_df).mark_rect().encode( x="start:T", x2="end:T", color=alt.Color("event:N", title="Event") ) (rect + line + point).properties( title="Population of Falkensee from 1875 to 2014", width=500, height=300 ) .. tab-set:: .. tab-item:: Method syntax :sync: method .. code:: python import altair as alt import pandas as pd source = [ {"year": "1875", "population": 1309}, {"year": "1890", "population": 1558}, {"year": "1910", "population": 4512}, {"year": "1925", "population": 8180}, {"year": "1933", "population": 15915}, {"year": "1939", "population": 24824}, {"year": "1946", "population": 28275}, {"year": "1950", "population": 29189}, {"year": "1964", "population": 29881}, {"year": "1971", "population": 26007}, {"year": "1981", "population": 24029}, {"year": "1985", "population": 23340}, {"year": "1989", "population": 22307}, {"year": "1990", "population": 22087}, {"year": "1991", "population": 22139}, {"year": "1992", "population": 22105}, {"year": "1993", "population": 22242}, {"year": "1994", "population": 22801}, {"year": "1995", "population": 24273}, {"year": "1996", "population": 25640}, {"year": "1997", "population": 27393}, {"year": "1998", "population": 29505}, {"year": "1999", "population": 32124}, {"year": "2000", "population": 33791}, {"year": "2001", "population": 35297}, {"year": "2002", "population": 36179}, {"year": "2003", "population": 36829}, {"year": "2004", "population": 37493}, {"year": "2005", "population": 38376}, {"year": "2006", "population": 39008}, {"year": "2007", "population": 39366}, {"year": "2008", "population": 39821}, {"year": "2009", "population": 40179}, {"year": "2010", "population": 40511}, {"year": "2011", "population": 40465}, {"year": "2012", "population": 40905}, {"year": "2013", "population": 41258}, {"year": "2014", "population": 41777}, ] source2 = [ {"start": "1933", "end": "1945", "event": "Nazi Rule"}, {"start": "1948", "end": "1989", "event": "GDR (East Germany)"}, ] source_df = pd.DataFrame(source) source2_df = pd.DataFrame(source2) line = alt.Chart(source_df).mark_line(color="#333").encode( alt.X("year:T").axis(format="%Y").title("Year"), alt.Y("population").title("Population"), ) point = line.mark_point(color="#333") rect = alt.Chart(source2_df).mark_rect().encode( x="start:T", x2="end:T", color=alt.Color("event:N").title("Event") ) (rect + line + point).properties( title="Population of Falkensee from 1875 to 2014", width=500, height=300 ) .. tab-item:: Attribute syntax :sync: attribute .. code:: python import altair as alt import pandas as pd source = [ {"year": "1875", "population": 1309}, {"year": "1890", "population": 1558}, {"year": "1910", "population": 4512}, {"year": "1925", "population": 8180}, {"year": "1933", "population": 15915}, {"year": "1939", "population": 24824}, {"year": "1946", "population": 28275}, {"year": "1950", "population": 29189}, {"year": "1964", "population": 29881}, {"year": "1971", "population": 26007}, {"year": "1981", "population": 24029}, {"year": "1985", "population": 23340}, {"year": "1989", "population": 22307}, {"year": "1990", "population": 22087}, {"year": "1991", "population": 22139}, {"year": "1992", "population": 22105}, {"year": "1993", "population": 22242}, {"year": "1994", "population": 22801}, {"year": "1995", "population": 24273}, {"year": "1996", "population": 25640}, {"year": "1997", "population": 27393}, {"year": "1998", "population": 29505}, {"year": "1999", "population": 32124}, {"year": "2000", "population": 33791}, {"year": "2001", "population": 35297}, {"year": "2002", "population": 36179}, {"year": "2003", "population": 36829}, {"year": "2004", "population": 37493}, {"year": "2005", "population": 38376}, {"year": "2006", "population": 39008}, {"year": "2007", "population": 39366}, {"year": "2008", "population": 39821}, {"year": "2009", "population": 40179}, {"year": "2010", "population": 40511}, {"year": "2011", "population": 40465}, {"year": "2012", "population": 40905}, {"year": "2013", "population": 41258}, {"year": "2014", "population": 41777}, ] source2 = [ {"start": "1933", "end": "1945", "event": "Nazi Rule"}, {"start": "1948", "end": "1989", "event": "GDR (East Germany)"}, ] source_df = pd.DataFrame(source) source2_df = pd.DataFrame(source2) line = alt.Chart(source_df).mark_line(color="#333").encode( x=alt.X("year:T", axis=alt.Axis(format="%Y"), title="Year"), y=alt.Y("population", title="Population"), ) point = line.mark_point(color="#333") rect = alt.Chart(source2_df).mark_rect().encode( x="start:T", x2="end:T", color=alt.Color("event:N", title="Event") ) (rect + line + point).properties( title="Population of Falkensee from 1875 to 2014", width=500, height=300 )