Tag: statistics

Feed: Featured Blog Posts - AnalyticBridge. Author: Vincent Granville. This list of lists contains books, notebooks, presentations, cheat sheets, and tutorials covering all aspects of data science, machine learning, deep learning, statistics, math, and more, with most documents featuring Python or R code and numerous illustrations or case studies. All this material is available for free, and consists of content mostly created in 2019 and 2018, by various top experts in their respective fields. A few of these documents are available on LinkedIn: see last section on how to download them.  Below are the first two sections. General References Free ... Read More

Feed: R-bloggers. Author: Roel M. Hogervorst. From one representative barrel of malt extract they had taken a lot of samples. happen if they drew and averaged multiple samples. By simulating these draws from one barrel they generalized this pattern towhat would happen if they sampled from the all of the barrels.And that is what I will show in R code. Simulating drawing from a barrel First the goal in clearer language.We want to know how many samples you have to draw to know what the real degree saccharine level of the barrel is. With a 10 to 1 odds of ... Read More

Feed: R-bloggers. Author: Kristoffer Magnusson. [This article was first published on R Psychologist - R, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. Mediation might be the ultimate example of how a method continues to be used despite a vast number of papers and textbooks describing the extremely strong assumptions required to estimate unbiased effects. My aim with this post is not to show some fancy method that could help reduce bias; rather ... Read More

Feed: Featured Blog Posts - Data Science Central. Author: Packt Publishing. Did you ever wonder why linear regression plays an important role in statistics and machine learning? It is witnessed that linear regression is one of the most commonly and well-understood algorithms.  Regression is a statistical method for calculating relationships among variables. It is one of the most popular and simplest regression techniques and is a very good way to understand your data. Note that regression techniques are not 100% accurate even if you use higher-order (nonlinear) polynomials. The key with regression, as with most machine learning techniques, is to find a good-enough ... Read More

Feed: Planet PostgreSQL. 2019 October 17th Meeting 6pm-8pm Location: PSU Business Accelerator 2828 SW Corbett Ave · Portland, OR Parking is open after 5pm. Speaker: Mark Wong pg_top was born in 2007 from a fork of the unixtop, a terminal program displaying top processes on the system, where pg_top focuses on the processes with the PostgreSQL database you are connected to. Recently pg_systat was forked from systat to display additional database statistics. These tools have can help do more such as explore query execution plans and create reports from system and database resources. Come learn about the statistics PostgreSQL keeps ... Read More

Feed: SAS Blogs. Author: Missy Hannah. As a fellow student, I know that making sure you get the right books for learning a new skill can be tough. To get you started off right, I would like to share the top SAS books that professors are requesting for students learning SAS. With this inside sneak-peak, you can see what books instructors and professors are using to give new SAS users a jump-start with their SAS programming skills. 1. Learning SAS by Example: A Programmer's Guide, Second Edition At the top of the list is Ron Cody’s Learning SAS by Example: ... Read More

Feed: Planet MySQL; Author: MyDBOPS; Since three years of our entity’s progression, Mydbops IT Solutions, Bangalore, have been an active participant of Open Source India (OSI) conference, conducted by Open Source For You Magazine which is part of EFY Group, New Delhi. This annual event is an attempt by the team at Open Source For You magazine in partnership with India’s Open Source community and industry—to bring various stake-holders under one roof. The mission of OSI is simple—to accelerate development and deployment of Open Source in India, and beyond. This year our floor presence has been shifted to the Entry Bay itself, ... Read More

Feed: SAS Blogs. Author: Rick Wicklin. In a previous article, I mentioned that the VLINE statement in PROC SGPLOT is an easy way to graph the mean response at a set of discrete time points. I mentioned that you can choose three options for the length of the "error bars": the standard deviation of the data, the standard error of the mean, or a confidence interval for the mean. This article explains and compares these three options. Which one you choose depends on what information you want to convey to your audience. As I will show, some of the statistics ... Read More

Feed: Planet big data. Author: David Smith. A roundup of news about Artificial Intelligence, Machine Learning and Data Science. This is an eclectic collection of interesting blog posts, software announcements and data applications from Microsoft and elsewhere that I've noted recently. Open Source AI, ML & Data Science News Tensorflow 2.0.0 has been released. This major update makes many changes to improve simplicity and ease of use. Tensorflow 1.x models will need to be upgraded for Tensorflow 2.0. Keras 2.3.0 has been released, the first release of the high-level deep learning framework to support Tensorflow 2.0. spaCy v2.2 has been ... Read More

Feed: AWS Architecture Blog. Amazon Web Services (AWS) serves more than a million private and public sector organizations all over the world from its extensive and expanding global infrastructure.Like other countries, organizations all around New Zealand are using AWS to change the way they operate. For example, Xero, a Wellington-based online accountancy software vendor, now serves customers in more than 100 countries, while the Department of Conservation provides its end users with virtual desktops running in Amazon Workspaces. New Zealand doesn’t currently have a dedicated AWS Region. Geographically, the closest is Asia Pacific (Sydney), which is 2,000 kilometers (km) away, ... Read More