Generic spark line method for matrices or data frames, etc.
spark(data, width = c("data", "auto", "screen"), ...)The data to plot.
The width (number of characters) of the output. ‘data’ means that it will match the length of the data. ‘screen’ means that it will be scaled to match the width of the screen. ‘auto’ means ‘data’ if the length of the data is not longer than the screen width, and ‘screen’ otherwise.
Additional arguments to the various methods.
Characacter vector containing the spark line(s).
Other spark: spark.default,
spark.matrix