Top "Sampling" questions

In signal processing, sampling is the reduction of a continuous signal to a discrete signal.

How to perform undersampling (the right way) with python scikit-learn?

I am attempting to perform undersampling of the majority class using python scikit learn. Currently my codes look for the …

python-2.7 machine-learning scikit-learn sampling downsampling
sample random point in triangle

Suppose you have an arbitrary triangle with vertices A, B, and C. This paper (section 4.2) says that you can generate …

algorithm geometry numerical-methods sampling
Increase Beaglebone Black ADC sampling rate?

I'm working on a project that requires the use of a microcontroller, and for this reason, I decided to use …

sampling beagleboneblack cloud9-ide adc
How to do a random stratified sampling with Python (Not a train/test split)?

I am looking for the best way to do a random stratified sampling like survey and polls. I don't want …

python pandas numpy sampling
rgamma function in R: scale as a vector

I'm trying to draw samples from Gamma distribution but I'm considering the 'scale' argument of rgamma as a vector because …

r sampling simulation gamma-distribution
Random sampling pandas based on column values

I have files (A,B,C etc) each having 12,000 data points. I have divided the files into batches of 1000 points …

python pandas sampling
Controlling volume of a Clip when using Java Sound (javax,sound.sampled)

I'm using Java sound to play back a number of sound samples with the Clip.start() method. Given this, what …

java audio sampling
How to keep a random subset of a stream of data?

I have a stream of events flowing through my servers. It is not feasible for me to store all of …

algorithm sampling
drawing a stratified sample in R

Designing my stratified sample library(survey) design <- svydesign(id=~1,strata=~Category, data=billa, fpc=~fpc) So far so …

r survey sampling
"incorrect number of probabilities" error using sample()

I was trying sample(), however whenever I used custom probability in it ,it constantly displays "incorrect number of probabilities" I've …

r sampling