Looking for extra practice exams for the CCA-505 exam and finding a bunch of sites that make guarantees but don't look very credible. [more inside]
So, "big data" is all the rage among technologists and venture capitalists. Intuition suggests that as the amount of data analyzed increases, so too does the amount of spurious correlations. Have there been any good studies (academic or otherwise) that try to resolve this problem? Or feel free to tell me why my intuition is wrong. Thanks.
I've long suspected that the professional networking site LinkedIn may be using information such as my mobile phone records to make recommendations for connections. But today they really freaked me out. What gives? [more inside]
Can you point me to the best resources to learn about these new-fangled things they call data science and big data? I just started a new job as a data scientist and need to get up to speed. [more inside]
What examples are out there on the web of interactive charts with thousands of data points that can be scrolled through smoothly with little interruption or skipping? [more inside]