By Allen Downey
ISBN-10: 1449313698
ISBN-13: 9781449313692
"Think Stats: likelihood and information for Programmers is a textbook for a brand new type of introductory prob-stat classification. It emphasizes using data to discover huge datasets. It takes a computation procedure: scholars write courses in Python as a manner of constructing and checking out their understanding."--Home web page, evaluate. 1. Statistical pondering for programmers -- 2. Descriptive records -- three. Cumulative distribution features -- four. non-stop distributions -- five. likelihood -- 6. Operations on distributions -- 7. speculation checking out -- eight. Estimation -- nine. Correlation
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Extra info for Think Stats. Probability and statistics for programmers
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Go to that page and nd my results. I came in 97th in a eld of 1633, so what is my percentile rank in the eld? In my division (M4049 means “male between 40 and 49 years of age”) I came in 26th out of 256. What is my percentile rank in my division? If I am still running in 10 years (and I hope I am), I will be in the M5059 division. Assuming that my percentile rank in my division is the same, how much slower should I expect to be? I maintain a friendly rivalry with a student who is in the F2039 division.
1 For small values of n, we don't expect an empirical distribution to t a continuous distribution exactly. One way to evaluate the quality of t is to generate a sample from a continuous distribution and see how well it matches the data. The function ❡①♣♦✈❛r✐❛t❡ in the r❛♥❞♦♠ module generates random values from an exponential distribution with a given value of λ. 6. 3. Hint: You can use the function ♣②♣❧♦t✳②s❝❛❧❡ to plot the y axis on a log scale. 2 Collect the birthdays of the students in your class, sort them, and compute the interarrival times in days.
Outliers might be caused by errors in collecting or processing the data, or they might be correct but unusual measurements. It is always a good idea to check for outliers, and sometimes it is useful and appropriate to discard them. In the list of pregnancy lengths for live births, the 10 lowest values are {0, 4, 9, 13, 17, 17, 18, 19, 20, 21}. Values below 20 weeks are certainly errors, and values higher than 30 weeks are probably legitimate. But values in between are hard to interpret. On the other end, the highest values are: ✇❡❡❦s ❝♦✉♥t ✹✸ ✶✹✽ 20 Chapter 2.
Think Stats. Probability and statistics for programmers by Allen Downey
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