From 6e527c01708b493c9b3c5671a0f745193fd4136f Mon Sep 17 00:00:00 2001
From: korr <kimberly.orr97@gmail.com>
Date: Tue, 21 Aug 2018 15:47:44 -0500
Subject: [PATCH] How to use mpl-altair

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+---
+layout: post
+title:  "How to Use mpl-altair"
+date:   2018-08-21 3:45:00 -0500
+author: "Kimberly Orr"
+categories: about
+tags: "intro about"
+excerpt_separator: <!--read more-->
+---
+
+**Process**
+1. create a chart using Altair
+2. call mplaltair's `convert` function
+3. show the figure or add to it using Matplotlib
+
+```python
+import pandas as pd
+df = pd.DataFrame({'x': [1, 2, 3, 4], 'y': [1, 10, 1000, 10000]})
+
+# Step 1
+import altair as alt
+import matplotlib.pyplot as plt
+import mplaltair
+chart = alt.Chart(df).mark_point().encode(
+    alt.X('x'), alt.Y('y', alt.Scale(type='log'))
+)
+
+# Step 2
+fig, ax = mplaltair.convert(chart)
+
+# Step 3
+plt.show()
+```
+