Data entry in 2014: the vivid learnings of card punching

Pondering data quality checks? Considering elaborated, automated (and expensive) schemes? Let me suggest card punching. Punch cards? Depending on your age, you will either take me for a fool (meaning you know what a punch card is...), or simply ask "what is this?". Let's start with a short presentation. Basically, a punch card looks  like … Continue reading Data entry in 2014: the vivid learnings of card punching