# Definitions for developers starting with letter N

**n-gram**definition What is typically, words in natural language) to look for patterns. For example, trigram analysis examines three-word phrases in the input to look**naive Bayes classifier**definition What is algorithms based on Bayes Theorem. It is not a single algorithm but a family of algorithms that all share a common principle, that every**neural network**definition What is network to distinguish it from the brain, upon which this algorithm is modeled. “A robust function that takes an arbitrary set of inputs**normal distribution**definition What is Friedrich Gauss was an early nineteenth-century German mathematician.) A probability distribution which, when graphed, is a symmetrical**NoSQL**definition What is any of several alternatives to the relational, table-oriented model used by SQL databases. While this term originally meant “not SQL,” it**null hypothesis**definition What is says that the value of x is affecting the value of y, then the null hypothesis—the model you're comparing your proposed model with to

## Help, manual and tutorial for developers

Glossary with explanation, developer answers.

Definition of Null Hypothesis, Nosql, Normal Distribution, Neural Network, Naive Bayes Classifier, N-Gram description.

What is Null Hypothesis, Nosql, Normal Distribution, Neural Network in web development.