Top "Probability" questions

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Probability of getting the same value using Math.random

The requirement is to send a unique id to database when user click on submit button. So I am using …

javascript random probability entropy
Is there a Python equivalent to R's sample() function?

I want to know if Python has an equivalent to the sample() function in R. The sample() function takes a …

python r probability
Determining if the difference between two error values is significant

I'm evaluating a number of different algorithms whose job is to predict the probability of an event occurring. I am …

statistics probability measurement
How much can you truncate a SHA1 hash and be reasonably sure of having an unique ID?

I am making an application that stores documents and gives each one a UID based on a SHA1 digest of …

algorithm probability sha1 hmac
Compute area under density estimation curve, i.e., probability

I have a density estimate (using density function) for my data learningTime (see figure below), and I need to find …

r probability kernel-density probability-density density-plot
How to predict survival probabilities in R?

I have data called veteran stored in R. I created a survival model and now wish to predict survival probability …

r probability prediction survival-analysis
Divide each each cell of large matrix by sum of its row

I have a site by species matrix. The dimensions are 375 x 360. Each value represents the frequency of a species in …

r matrix probability frequency
generating poisson variables in c++

I implemented this function to generate a poisson random variable typedef long unsigned int luint; luint poisson(luint lambda) { double …

c++ probability knuth poisson
How to implement Random(a,b) with only Random(0,1)?

Possible Duplicate: how to get uniformed random between a, b by a known uniformed random function RANDOM(0,1) In the book …

algorithm random probability
How to plot CDF in R

I am trying to plot a CDF plot using ecdf() function using the following code: > x<-ecdf(data$…

r distribution probability cdf