88932e8f_r_heatmap_for_time_series_data__name
[default] null [values] any integer [description] 3.1.1+ Height of the domain label in pixels. By leaving it to null, the label will be set to 2 times the height of the subDomain cell. If you want to remove the label, set domainLabelFormat to "" (empty string), instead of setting the label height to 0. [name] 
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Cal-HeatMap : Javascript calendar heatmap for time series data
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