coding in C/C++
Embedded Interview Questions
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The first interview with Lutron was a 60-minute video interview. The interview consisted of two problems: 1) What will this code print? It is question seeing if you can tell the difference between pass-by-value and pass-by-reference. 2) Create a Rectangle class in whatever language you wish. The point of this problem is to show that you can make a class. Then I was asked to include a undo function. I then had to add functionality to the class in order to track the state of the class. Next, I was ask about how would do inheritance so that there could be other shapes. Finally, I was asked what would need to change in order to allow an undo function to undo the last modified shape, not just an undo relative to one function.
Tell me a project where you had a failure and how did you overcome it
Write code (pseudo on microcontroller ) to turn on or off light bulb using bouncy push button
One of the questions involved creating a generic financial metric, but applying it to an index instead of a security, and writing it two different ways.
Why Palantir?
Something about the Kelly Criterion (can't remember the exact question but I have no idea how knowledge of this was implied for a DS). Google "time series rates of return kelly criterion" and look at the first link. I was asked basically everything on that post and then some.
After floundering on the above question for a couple of minutes because you can't answer questions about the Kelly Criterion if you don't know what the Kelly Criterion is, I got this gem: You have daily total spending data for each of the 50 states for the last 3 years. Ie I know how much money changed hands in Montana, Nebraska, Utah, etc for every single day since Jan 1 2009. Design a strategy to make money. What statistical techniques would you use? What if the data is just random noise - can you really extrapolate? And so on and so forth.
What customer outside of Finance would find Metropolis useful? What data sets & models would they use (be explicit here)? Where would they get the data from?
Asked about the extent to which I was willing to learn the technical side with the implication that I should be very willing.
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