Data cleaning is a waste of time. If the data had been collected properly in the first place there wouldn’t be any cleaning to do, and you wouldn’t now be faced with the prospect of weeks of cleaning to get your dataset analysis-ready. Worse still, your boss won’t understand why your analysis report isn’t on his desk…
I’m sure you’ve all heard about the party game Chinese Whispers, where a message is given to a person at one end of a line and is then whispered to the next, then the next, and so on until it reaches its eventual destination at the other end. Typically, small changes in the message occur…
Sometimes, when analysing your data the visualisation that you choose can end up as being a bit of an afterthought. After all, you’ve got your answer, so why waste time playing around with graphs when you can just get out there and change the world! Well, I guess you know the answer already – it’s the graph…
Well, that’s Thanksgiving, Black Friday and Cyber Monday (aka Chi-Squared Monday in these parts) over with for another year. Only Christmas to go now. Are you fed up with it all yet? In which case it might be time to escape into our latest set of FREE Data Science books. This month, there are a couple of…
Got your Christmas shopping done yet? Nope, me neither – I usually don’t start until about 24th December… In which case, you’ve got plenty of time to devour the latest set of FREE Data Science books on offer. This month, our first offering is not actually a Data Science book, but is still very relevant to Data Scientists….
Let’s face it, we’ve all been there. We’ve had a dataset that needed cleaning before we could start analysing it, so we started eyeing the data and fixing errors as we spot them. We convinced ourselves that it wouldn’t take long before we could get it done, then we can get on to the real…