Data Science
How to Build a Data Science Portfolio
<i>A portfolio is one way to show people you are that data science unicorn.</i><p><b>How do you get a job in data science?</b> Knowing enough statistics, machine …
Big DataBuilding a Linear Regression Model for Real World Problems, in R
In this blog, i will try to make this concept of regression simple and intuitive for everyone. Understanding maths behind a concept is always a must …
Artificial IntelligenceZillow Data Science Interview Questions — Acing the AI Interview
Zillow lists data on 110 Million homes in their living database and 6.3 Billion visits to their site in 2018 per their investor relations.<p>According …
Real EstateProbabilistic Programming Primer
<b>Data Science and interpretability</b><p>I’ve been involved in industrial applications of machine learning, analytics and what is generally referred to as …
Machine LearningMicrosoft R Open 3.5.1 now available
Microsoft R Open 3.5.1 has been released, combining the latest R language engine with multi-processor performance and tools for managing R packages …
LinuxProbability and Tennis
What is the probability winning a tennis match?<p>Your chance, obviously, depends on the relative ratio of your skill at the sport compared to that of …
Board GamesR for Data Science Solutions
Welcome<p>This contains solutions to the exercise in <i>R for Data Science</i>, byn Hadley Wickham and Garret Grolemund (Wickham and Grolemund 2017). The …
Creative Commons Attributiondata.table is Really Good at Sorting
The data.table R package is <i>really</i> good at sorting. Below is a comparison of it versus dplyr for a range of problem sizes.<p>The graph is using a log-log …
Data ScienceExtracted variable name dyplyr::mutate
I want to extract a variable name from a data frame a create a new variable with dplyr::mutate. What do I have to write so that the variable name …
Data ScienceA novel probabilistic forecast system predicting anomalously warm 2018-2022 reinforcing the long-term global warming trend
Article |<p>Open | Published: 14 August 2018<p><i>Nature Communications</i><b>volume 9</b>, Article number: 3024 (2018) | Download Citation<p>Abstract<p>In a changing climate, …
Climate ChangeIt was the weeds that bothered him. - Statistical Modeling, Causal Inference, and Social Science
Bill Jefferys points to this news article by Denise Grady. Bill noticed the following bit, “In male rats, the studies linked tumors in the heart to …
Statistical ModelingDataHack Radio Podcast - Data Science in India with Dr. Avik Sarkar
We use cookies on Analytics Vidhya websites to deliver our services, analyze web traffic, and improve your experience on the site. By using Analytics …
IndiaAmazon Translate now available in the Memsource translation management system | Amazon Web Services
<i>This is a guest blog post by Andrea Tabacchi, the Solution Architects team lead at Memsource.</i><p>Memsource is always looking out for exciting new …
Amazon Web ServicesHierarchical Bayesian Neural Networks with Informative Priors
In [2]:<p>In [5]:<p>Next, we loop over each category and fit a different BNN to each one. Each BNN has its own weights and there is no connection between …
Cognitive ComputingOpenCV People Counter
By onAugust 13, 2018 in Object Tracking, Tutorials<p>Click here to download the source code to this post.<p>In this tutorial you will learn how to build a …
Python ProgrammingA NLP Guide to Text Classification using Conditional Random Fields
We use cookies on Analytics Vidhya websites to deliver our services, analyze web traffic, and improve your experience on the site. By using Analytics …
TaxonomyPCA revisited
(This article was first published on <b> The Beginner Programmer</b>, and kindly contributed to R-bloggers)Principal component analysis (PCA) is a …
Mobile TaggingTraining ImageNet in 18 minutes for $40; courteous self-driving cars; and Google evolves alternatives to backprop
<b>Better robot cars through programmed courteousness:</b> <i><br>…Defining polite behaviors leads to better driving for everyone…</i> <br>How will self-driving cars and …
Machine Learning15 Statistical Hypothesis Tests in Python (Cheat Sheet)
By onAugust 15, 2018 in Statistics<p>Quick-reference guide to the 15 statistical hypothesis tests that you need in<br>applied machine learning, with sample …
Machine LearningAnalytical approach to network inference: Investigating degree distribution
Author(s): Gloria Cecchini and Björn SchelterWhen the network is reconstructed, two types of errors can occur: false positive and false negative …
Data ScienceA New Type of Leaderboard: Season Stat Grid!
We are debuting a new leaderboard today, the Season Stat Grid. It’s a little different than most of our leaderboards. Instead of having multiple …
Sports AnalyticsHow to remove columns and rows that sum to 0 while preserving non-numeric columns
Below is a subset of my data. I am trying to remove columns AND rows that sum to 0 ... the catch is that I want to preserve columns 1 to 8 in the …
Data ScienceLegal Tech: How Can Lawyers Benefit?
The law has always been part and parcel of the human experience. Ever since ancient times, laws have been established to help guide and regulate …
Email MarketingCuralate makes social sell with AI using Apache MXNet on AWS | Amazon Web Services
Curalate helps brands convert social influence into sales. The Philadelphia-based startup makes it easy for digital-savvy consumers to make …
Machine LearningHow feminism has made me a better scientist
Feminism is not a branch of science. It is not a set of testable propositions about the observable world, nor is it any single research method. From …
FeminismBar plot ggplot2 - Error: Aesthetics must be either length 1 or the same as the data (150): fill, x, y
Hey I know there are lots of questions about this particular error but i still cant find what is wrong, pretty new to R and coding in general. here …
Data ScienceCurtin University establishes Data Science Innovation Hub
Businesses and startups welcomed aboard.
Technology (Australia)Achieving a smooth color ramp
I have heat map in Excel that im trying to recreate in R. Its basically data for an RFM segmentation and in excel the color range is great but im …
Data Sciencegeom_text not properly positioned when using position_dodge(preserve="single") in bar plot
With the code below the labelling in facet bB is not correctly positioned. The problem seems to originate from the fact that there is no …
Faceted ClassificationHow to use select() only on columns of a certain type without loosing columns of other types?
There are a some similar questions (like here, or here), but none with quite the answer I am looking for.<p>The question:<p>How to use select() only on …
Databases