This open source language is accessible for novices and for experienced users adopting r gives the user and developer several advantages for performing morphometrics evolvability adaptability interactivity a single and comprehensive platform possibility of interfacing with other languages and software custom analyses and graphs. Students and scientists interested in shape analysis can use the book as a reference for performing applied morphometrics while prospective researchers will learn how to implement algorithms or interfacing r for new methods in addition adopting the r philosophy will enhance exchanges within and outside the morphometrics community. The goal of momocs is to provide a complete convenient reproducible and open source toolkit for 2d morphometrics it includes most common 2d morphometrics approaches on outlines open outlines configurations of landmarks traditional morphometrics and facilities for data preparation manipulation and visualization with a consistent grammar throughout it allows reproducible complex