camel_index() for computing multivariate-weighted CAMEL indices.plot_camel_index() for ggplot2-based visualization.print.camel_index() and summary.camel_index() methods.camel_2015, camel_2016, camel_2017, camel_2018, camel_2019, camel_2020, camel_2021 and camel_2022.