R Programming Course – Assignment 1 : Air Pollution Part 2

Part 1 : pollutantmean() Part 2 : complete() Write a function that reads a directory full of files and reports the number of completely observed cases in each data file. The function should return a data frame where the first column is the name of the file and the second column is the number of

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R Programming Course – Assignment 1 : Air Pollution Part 1

I am taking the R programming course from the Data Science Specialization offered by the John Hopkins University on Coursera. This blog post is a personal notes taking where we can follow the reasoning during the exercices. Today I try to complete the Assignement 1 “Air Pollution” Part 1. We are given a .zip file