Display and glimpse dataframes in Scheme

This post is part of a series on the dataframe library for Scheme (R6RS). In this post, I will describe dataframe-display and dataframe-glimpse , which are inspired by the default print format for tibbles in R and the dplyr::glimpse function. Both procedures rely heavily on Chez Scheme’s format procedure, so I will first give an overview of the format directives used in the dataframe library…