incremental: Transforms cumulative dollar value in a loss_df object into...
In merlinoa/lossdb: Automate common tasks involving insurance loss data sets

Description Usage Arguments Details Examples

Transforms cumulative dollar value in a loss_df object into incremental

1	incremental(ldf, dollar, include_all = FALSE)

`ldf`	object of class loss_df
`dollar`	column to transform from cumulative to incremental. Can be of any of the allowable 'dollar' types for class `loss_df` or any of the columns in the 'dollar' type for class `loss_df`.
`include_all`	logical. default = FALSE. Whether or not to calculate incremental losses for development years where data from prior development year is missing.

incremental turns cumulative loss values into incemental amounts. Claims that are not reported until after the first development period after their origin are given an incremental payment in the first at the time they are first reported.

incremental(test_df, dollar = "paid")

# nexy two compare the effect of `include_all` argument
incremental(test_df_incomplete, dollar = "paid")
incremental(test_df_incomplete, dollar = "paid", include_all = TRUE)