data-engineering

If you ever come across The Springfield Files episode, you may find the scene where Homer gets his lie detector test very amusing. But how actually does the lie detector (aka Polygraph test) work? This is pretty much an accurate description of how EEG works. As the video above, the signal output of the machine looks random. You won’t decipher the real message hidden deeply in the signal unless you are a machine....

While fake data provider exists for ages, with any kind of data provided along with your choice of data format, it is not usual to generate our own dataset in the runtime. The fake data is used to speed up the development process. Instead of waiting for the real data which may be slow and hard to obtain, why don’t we use the fake data instead for now, and replace it later with the real one later?...