In a by() fun开发者_Go百科ction, I will use cor (correlation) to be the FUN there. However, I\'d like to setup use=\"complete.obs\" too.
I am familiar with the methods of selection for genetic algorithms such as stochastic universal sampling, roulette wheel, tournament and others. However, I realize that these methods are close to rand
I am having some trouble with facebook insights and I was hoping someone could offer some help on this subj开发者_如何学Goect. The problem I am facing with is that no user (Role) that I have added to
I need to code a Maximum Likelihood Estimator to estimate the mean and variance of some toy data.I have a vector with 100 samples, created with numpy.random.randn(100). The data should have zero mean
I have a 3D array. I need to extract the following: the number of occurrences of unique items in deepest level array
I have a script which I edited a little bit, on a page, it doesn\'t show the 7 day stats, what could cause this?
I seldom if ever use excel and have no deep understanding of graphs and graphing-related functions. Having said that...
How would I convert the following formula to php to solve for \"p\": (1-p)^365=.80 What I\'m trying to do is calculate the daily probability of an event based on the annual probability. For example
How is it possible to make the following cumulative distribution function (CDF) curve smoother? Here\'s my code, using cdfplot:
I\'m trying to print out all possibilities of nCr, which are the combinations when order doesn\'t matter.So 5C1 there are 5 possibilities: 1开发者_运维技巧 , 2, 3, 4, 5. 5C2 there are 10 possibilities
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