Frage im Vorstellungsgespräch bei UBS

Which programming languages do you use for data analysis, and why? Can you walk us through a Python/R script you've written for a data analysis project? How do you handle missing or inconsistent data in your analysis? Which data visualization tools are you proficient in, and why do you prefer them? Can you show us an example of a dashboard or report you've created? How do you decide which type of chart or graph to use for presenting data?etc