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Creates a calendar heatmap showing review activity.
anki_plot_heatmap( path = NULL, profile = NULL, year = NULL, colors = c("#ebedf0", "#9be9a8", "#40c463", "#30a14e", "#216e39") )
A ggplot2 object
Path to collection.anki2 (auto-detected if NULL)
Profile name (first profile if NULL)
Year to display (default: current year)
Vector of colors for the gradient (low to high)
if (FALSE) { anki_plot_heatmap() anki_plot_heatmap(year = 2024) }
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