Heatmap Center

On May 24, 2017, at 12:25, bscully27@gmail.com wrote:

How can I center data for Bokeh heatmaps?
I'm referencing the logic in seaborn, heatmap param 'center' - http://seaborn.pydata.org/generated/seaborn.heatmap.html

Using the bokeh example code for heatmap:

import pandas as pd

from bokeh.charts import HeatMap, bins, output_file, show
from bokeh.palettes import RdYlGn6, RdYlGn9
from bokeh.sampledata.unemployment1948 import data

data['Year'] = data['Year'].astype(str)
unempl = pd.melt(data, var_name='Month', value_name='Unemployment', id_vars=['Year'])

output_file("heatmap.html", title="heatmap.py example")
hm = HeatMap(unempl, x='Year', y='Month', values='Unemployment', stat=None, sort_dim={'x': False}, width=900, plot_height=500, palette=RdYlGn9)
show(hm)

How can I center data for Bokeh heatmaps?

Thanks,

Ben

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