# ChainLadder 0.2.1 released

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Over the weekend we released version 0.2.1 of the ChainLadder package for claims reserving on CRAN. **mages' blog**, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.

### New Features

- New function
`PaidIncurredChain`

by Fabio Concina, based on the 2010 Merz & Wüthrich paper Paid-incurred chain claims reserving method - Functions
`plot.MackChainLadder`

and`plot.BootChainLadder`

gained new argument`which`

, allowing users to specify which sub-plot to display. Thanks to Christophe Dutang for this suggestion.

Output of `plot(MackChainLadder(MW2014, est.sigma="Mack"), which=3:6)` |

### Changes

- Updated
`NAMESPACE`

file to comply with new R CMD checks in R-3.3.0 - Removed package dependencies on
`grDevices`

and`Hmisc`

- Expanded package vignette with new paragraph on importing spreadsheet data, a new section “Paid-Incurred Chain Model” and an added example for a full claims development picture in the “One Year Claims Development Result” section, see also [1] .

Binary versions of the package will appear on the various CRAN mirrors over the next couple of days. Alternatively you can install ChainLadder directly from GitHub using the following R commands:

install.packages(c(“systemfit”, “actuar", "statmod", "tweedie", "devtools")) library(devtools) install_github("mages/ChainLadder") library(ChainLadder)

Completely new to ChainLadder? Start with the package vignette.

### References

[1] Claims run-off uncertainty: the full picture. (with M. Merz) SSRN Manuscript, ID 2524352, 2014.To

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