How to use regular expressions, purrr:map top get coronach's alpha estimates

This is a reminder to myself (and to whoever finds this usefull) on the calculation of: - the [Standardised Mortality Ratio](https://en.wikipedia.org/wiki/Standardized_mortality_ratio) (SMR) - The Confidence Interval of the SMR What you can learn in this reminder - Some use of regular expressions - creating functions and use them to avoid repeat myself - Read (multiple) excel data into R - Function programming basics using the package

Basics of the haven package to help me with SPSS files

We use the tidyverse and some other packages, to read an excel file from the Cyprus Statistical Service of Cyprus on wages. We demonstrate the pay gap in each economic activity

A short tutorial in using rwunderground package in r to retrieve weather data. I am using this package to retrieve weather data for Nicosia, Cyprus.