Cartesian Charts: Part 1
Line Chart
<%= line_chart(series, options) %>

Stepline Chart
<%= line_chart(series, {**options, theme: 'palette7', curve: 'stepline'}) %>

Area Chart
<%= area_chart(series, {**options, theme: 'palette5'}) %>

Column Chart
<%= column_chart(series, {**options, theme: 'palette4'}) %>

Bar Chart
<%= bar_chart(series, {**options, xtitle: 'Properties', ytitle: 'Week', height: 800, theme: 'palette7'}) %>

Range Bar Chart
<% range_bar_series = [{
name: "Series A",
data: {
'A' => [1, 5],
'B' => [4, 6],
'C' => [5, 8],
'D' => [3, 11]
}
}, {
name: "Series B",
data: {
'A' => [2, 6],
'B' => [1, 3],
'C' => [7, 8],
'D' => [5, 9]
}
}]
%>
<%= range_bar_chart(range_bar_series, theme: 'palette3') %>

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