Visualizing big data

- [Instructor] In "Alice's Adventures in Wonderland," … by Lewis Carroll, … Alice, here on the left, … gets some life advice from the Duchess, here on the right. … This is what the Duchess tells Alice. … "Never imagine yourself not to be otherwise … "than what it might appear to others … "that what you were or might have been … "was not otherwise than what you had been … "would have appeared to them to be otherwise." … Now, remember, Lewis Carroll … was an accomplished mathematician and logician. … This is a logically consistent and meaningful statement, … but it's nearly impossible to follow. … Fortunately, the Duchess provided a shorter version as well, … where she simply says, "Be what you would seem to be." … Or even shorter, be authentic. … Now, any time you work with data, … you're attempting to simplify the data … so that it makes sense and you can get some insight. … It is always a matter of simplification. … That's the purpose of data analysis … and big data projects, … and that's one of the major things you can do …