plotVelocityLineplot: Plot cell activity over time
In kueckelj/celltracer: An Analysis-Toolbox for High-Throughput Cell Imaging Data

Visualizes the percentage of active cells over time.

plotVelocityLineplot(
  object,
  across = "cl_condition",
  across_subset = NULL,
  phase = "all",
  phase_cluster = "first_tmt",
  threshold = NULL,
  smooth = TRUE,
  smooth_span = 0.25,
  smooth_se = FALSE,
  clrp = "milo",
  verbose = TRUE,
  in_shiny = FALSE
)

`object`	A valid cell tracer object.
`across`	Character value. Denotes the discrete variable in the data.frame across which the variables of interest are to be analyzed or displayed. Valid input options can be obtained via `getAcrossOptions()`.
`across_subset`	Character vector. The groups of interest that the `across`- variable contains. Valid input options can be obtained via `getVariableValues()`.
`phase`	Character value. Refers to the phase of the experiment. Valid inputs are: 'before_tmt' Uses the data that refers to the time before the treatment. 'first_tmt' Uses the data that refers tot the time after the treatment. 'entire' Uses the complete data of the entire timespan. Note: This argument is ignored if the experiment set up did not include any treatment or the treatment started right from the beginning.
`phase_cluster`	Character value. Refers to the phase of the experiment from which to take the clustering variables. Valid inputs are: 'before_tmt' Uses the data that refers to the time before the treatment. 'first_tmt' Uses the data that refers tot the time after the treatment. Note: This argument is ignored if the experiment set up did not include any treatment or the treatment started right from the beginning.
`threshold`	Numeric value or NULL. If set to NULL (the default) the threshold to consider a cell 'active' is equal to `base::mean(speed) + base::sd(speed)`
`smooth`	Logical. If set to TRUE the values are smoothed.
`smooth_span`	NUmeric value. Denotes the smoothing span used.
`smooth_se`	Logical. If set to TRUE the standard error will be displayed.
`clrp`	Character value. The color panel to be used. Valid input options can be obtained via `allColorpanels()`.
`verbose`	Logical. If set to TRUE informative messages regarding the computational progress will be printed. (Warning messages will always be printed.)