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Quickly Find the Class of data.frame vectors in R

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Aviad Klein over at My ContRibution wrote a convenient R function to list the classes of all the vectors that make up a data.frame. You would think apply(kyphosis,2,class) would do the job but it doesn’t – it calls every vector a character class. Aviad wrote an elegant little function that does the job perfectly without having to load any external package:   allClass var vglnk = {key: '949efb41171ac6ec1bf7f206d57e90b8'}; (function(d, t) { var s = d.createElement(t); s.type = 'text/javascript'; s.async = true; // s.defer = true; // s.src = '//cdn.viglink.com/api/vglnk.js'; s.src = 'https://www.r-bloggers.com/wp-content/uploads/2020/08/vglnk.js'; var r = d.getElementsByTagName(t)[0]; r.parentNode.insertBefore(s, r); }(document, 'script'));

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