AI-powered search & chat for Data / Computer Science Students
Random Variable
One of the basic concepts of statistic is a Random Variable. So, what is Random Variable? Random variable links the outcome of an event to a number. Let’s take an example. X is variable which takes…
Read more at Analytics Vidhya
Understanding Random Variables
Random variables are very important in statistics and probability and a must have if any one is looking forward to understand probability distributions. Random Variables many a times confused with…
Read more at Towards Data Science
Random Variables
In Section 2.6 we saw the basics of how to work with discrete random variables, which in our case refer to those random variables which take either a finite set of possible values, or the integers. In...
Read more at Dive intro Deep Learning Book
Random Variables and Probability Distributions
Master the random variables and probability distributions and crack your next Data Science Interview with the third part of our Statistics Cheat Sheet series Photo by Naser Tamimi on Unsplash Random ...
Read more at Towards Data Science
But what is a Random Variable ?
Often simple concepts become difficult to grasp because of the terminology and the context in which they are applied. Random Variable was one such confusing (even though simple in the hindsight)…
Read more at Towards Data Science
What are Random Variables
Random variable becomes a nightmare for people when they first encounter it in Probability or Statistics course. In this blog, I will take you through random variables. What if I say random variables…...
Read more at Towards Data Science
Understanding Transformation of Random Variables using Python
A random variable is a numerical description of the outcome of a statistical experiment. It can be discrete or continuous depending upon the outcome of experiment. We would be looking at two kinds of…...
Read more at Analytics Vidhya
Probability Distribution
I’m a data scientist for a mobile application. As a data scientist, you will often draw a random sample from the population to conduct experiments or analyses. With the random sample, you make…
Read more at Towards Data Science
An Introduction to Random Variables & Probability Distribution
Random Variables: A random variable represents the outcome of statistical experiments on numerical values. Discrete Random variables: A variable that can take only the countable number of values. For…...
Read more at Python in Plain English
Practical Probability Theory: All About That Single Random Variable
In this post, we will review some of the most useful probability concepts and important tools for exploratory data analysis. The table of content is given in the mind map above. Throughout the post…
Read more at Towards Data Science
Understanding Random Variables and Probability Distributions
Probability theory is often considered one of the fundamental pillars of machine learning, with concepts like especially the random variable and probability distribution relevant to applied machine le...
Read more at Towards Data Science
An In-Depth Crash Course on Random Variables
Surprisingly, random variables are not really taught in online data science courses which is ludicrous because they’re the foundation of statistics which is the foundation of data science! Therefore…
Read more at Towards Data Science
Distribution of a single variable
It is customary to refer to the raw numbers as data and the output of data analysis as information. You start with the data, and you hope to end with information that an organization can use for…
Read more at Analytics Vidhya
Random
The rand function will return a random number greater than or equal to 0 and less than the integer passed to the function. If an argument is not passed to the function, the return value is a random nu...
Read more at Codecademy
Probability
Many machine learning methods are rooted in probability theory. Probabilistic methods in this book include linear regression , Bayesian regression , and generative classifiers . This section covers t...
Read more at Machine Learning from Scratch Book
Random
The Random class is present in the java.util package. It is used to generate random values or streams of random values of specific data types. Usage The Random class can be accessed by importing it as...
Read more at Codecademy
Random Numbers
Now if our games do the same thing each time the game runs, that’s not very interesting. At the end of this chapter we’ll introduce random numbers . That is, we can have the computer roll the dice to...
Read more at Arcade Academy
Ace Probability and Statistics in Interviews
Ans: A random variable is a variable whose value is unknown or a function that assigns values to each of an experiment’s outcomes. Random variables are often designated by letters and can be…
Read more at Analytics Vidhya
Expected Value of Random Variables -Explained Simply
The expected value of a random variable is the weighted average of all possible values of the variable. The weight here means the probability of the random variable taking a specific value. What is…
Read more at Towards Data Science
The Aspiring Statistican’s Introduction to Random Variables
Pixabay (License) When it comes to yelling “Surprise!”, the universe never gets tired. In this article, we’ll take a contemplative walk across the land of chance. We’ll learn about random walks, about...
Read more at Towards Data Science
Comprehensive Overview of Random Variables, Random Processes, and Their Properties (Part 1)
This is a two-part article. In part 1 (This part), I will go over random variables, random vectors, and their properties. In part 2, I will discuss random processes and their properties. Random…
Read more at Towards Data Science
Probability
Probability Links Screenshots License Basic concepts in probability for machine learning. This cheatsheet is a 10-page reference in probability that covers a semester’s worth of introductory probabili...
Read more at Machine Learning Glossary
What is the expected value?
Even if you are not aware of it, expected value is behind many frequently used concepts such as entropy and the mean squared error .For instance, entropy is the expected value of the information…
Read more at Towards Data Science
A Gentle Introduction to Probability Distributions
Last Updated on November 14, 2019 Probability can be used for more than calculating the likelihood of one event; it can summarize the likelihood of all possible outcomes. A thing of interest in probab...
Read more at Machine Learning Mastery- «
- ‹
- …