I have time-series data that I want to visualize in R using dygraphs with bars instead of lines. I found a custom plotter function on the dygraphs documentation and tried implementing it:
dyBarChart <- function(dygraph) {
dyPlotter(dygraph = dygraph,
name = "BarChart",
path = system.file("plotters/barchart.js",
package = "dygraphs"))
}
The issue arises when dealing with negative values.
The following line plot works fine with the dygraph() function:
dygraph(test)
https://i.sstatic.net/LBv0Om.png
However, when attempting to add the bar chart, nothing is plotted and warnings are generated:
dygraph(z) %>% dyBarChart()
There were 14 warnings (use warnings() to see them)
> warnings()
Warning messages:
1: In normalizePath(path) : path[1]="": No such file or directory
2: In file.copy(from, to, overwrite = TRUE, recursive = isdir) : too deep nesting
3: In file.copy(from, to, overwrite = TRUE, recursive = isdir) : too deep nesting...
Are there any known solutions for displaying negative values in R dygraph barcharts?
Here is the sample data provided:
> dput(test)
structure(c(-6L, 0L, -4L, -1L, 2L, 0L, 18L, -3L, -2L, -1L, -2L,
1L, -22L, -5L, -1L, 3L, 11L, 2L, -2L, 5L, -3L, -1L, -2L, 0L,
12L), index = structure(c(1521217200, 1521217800, 1521218400,
1521219000, 1521219600, 1521220200, 1521220800, 1521221400, 1521222000,
1521222600, 1521223200, 1521223800, 1521224400, 1521225000, 1521225600,
1521226200, 1521226800, 1521227400, 1521228000, 1521228600, 1521229200,
1521229800, 1521230400, 1521231000, 1521231600), class = c("POSIXct",
"POSIXt"), tzone = ""), class = "zoo")