Скачать с ютуб Introduction to Tidyverse in R - dplyr в хорошем качестве

Introduction to Tidyverse in R - dplyr

link to mindfulness dataset: https://quantpsych.net/data/mindfulne... learning objectives tidyverse vs. R's way of doing things what filter, arrange, select, mutate, and summarize do selecting a range of columns (e.g., x1:x10) selecting "not" columns (e.g., -(x1:x10)) understand auxiliary functions: starts_with, ends_with, contains, group_by, desc understand comparisons (&, |, ==, !=, %in%) Exercise filter to those over 18, create sum scores for mindfulness/stress/depression, select only age and the total score columns, then summarize by group