No return value, called for plotting the heatmap plot
Arguments
indf
input data frame containing biodiversity data set
title
title custom title for the plot
Details
The calendar heat map is a matrix-like plot where each cell represents a
unique date, and the color the cell is painted with shows the amount of
records that have that particular date. Rows are weekdays and columns are
week numbers, each year having its own "panel".
See Also
Other Temporal visualizations:
chronohorogram(),
tempolar()