Adding bands to residual plot to help identify outliers in SPSS
How to add bands at +/-2 times the standard deviation of the residuals on the residual plot. These bands are to help identify any regression outliers. ... https://www.youtube.com/watch?v=ztbHqy138dQ
Proof expectation of XY is equal to mean of X times mean of Y when X and Y are independent
Example using the result
Comment in relation to correlated variables
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https://www.youtube.com/watch?v=mWkaOtDALUI
It may be that we don't have the numbers to find the probability of a union of events. In this case, Boole's inequality could be useful. It gives an upper bound for the probability of a (finite or countable) union of events. There are a number of ways to prove it, and we do it by induction.
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https://www.youtube.com/watch?v=Ub7HrApEKsc
Rstudio's Project feature allows you to easily resume your session with one click. It sets the working directory, settings, loads the workspace that contains objects and functions, and the code.
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https://www.youtube.com/watch?v=jKH-J9TotMU
One of the most common things I see is that students may be able to regurgitate the definition of the p-value from their lecture notes, but they have no idea what it means, and how to use it in SPSS tests. But using the p-value is so simple. Watch my video and the p-value will become clear.
Note: there are reasons against using the p-value, but this doesn't concern newbies.
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https://www.youtube.com/watch?v=K_P8duxrxsA
Interpreting the coefficient in the Cox proportional hazard model with nominal covariate
Example: Hosmer and Lemeshow, Chapter 4.
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https://www.youtube.com/watch?v=nSay4TW65dw
So you have a qualitative variable consisting of several categories. See how to set up dummy variables for this qualitative variable that you can use in regression
Visit me at: http://www.statisticsmentor.com
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https://www.youtube.com/watch?v=Nc-0QdQk01s