RStudio is a powerful tool for data analysis. Here are 23 tips, tricks, and shortcuts to turn you into an RStudio power user! The post 23 RStudio Tips, Tricks, and Shortcuts appeared first on Dataquest.

Two days back I got curious about the Twitter API. I worked with a few APIs (using R) in the past but had never chanced upon using Twitter data. Additionally, Twitter provided a rich source of “what people are talking about”. I searched and found a very easy to use ...

American generations Monthly US population estimates American population by generation American generations by age & race White America on the wane American generations in (apparent) time & space Summary American generations A quick look at the composition of American generations. Per Pew Research definitions & US Census data. In the process, a static ...

The weekly puzzle from Le Monde is not much, again: A number A is such that (1) the difference between two digits is never 1 (2) two digits are equal to 2 (3) it only involves 3 different digits (4) it is a multiple of 4 (5)  the sum of two of the digits is […]

DataCamp learners across the world are turning on subtitles in their native languages. Our mission is to democratize data science and analytics education for everyone. But until recently, we only had subtitles in English, the global language of busine...

Cohen’s d (wiki) is a statistic used to indicate the standardised difference between two means. Resarchers often use it to compare the averages between groups, for instance to determine that there are higher outcomes values in a experimental group than in a control group. Researchers often use general guidelines ...

The size of a data frame, like the number of rows or columns, is often required and can be determined in various ways. Get number of rows of a data frame Get number of columns of a data frame Get dimensions of a data frame nrow(___) ncol(___) dim(__...

Network Analysis Network theory is the study of graphs as a representation of relationship between discrete elements. When applied to social relations, it is known as social network analysis.1 Bollywood In this article, network theo...

tl;dr Today there’s a new module available in jamovi: esci (effect sizes and confidence intervals), developed by Bob Calin-Jageman and Geoff Cumming (@TheNewStats and TheNewStatistics.com). As a newer module you will need a recent version of jamovi to install esci-–probably 1.2.19 or above. You can refresh your ...

Network Analysis Network theory is the study of graphs as a representation of relationship between discrete elements. When applied to social relations, it is known as social network analysis.1 Bollywood In this article, network theory is applied to analyse relationship between some professionals in bollywood, based on data from movie ...

Continuing the discussion on cumulative odds models I started last time, I want to investigate a solution I always assumed would help mitigate a failure to meet the proportional odds assumption. I’ve believed if there is a large number of categories and the relative cumulative odds between two groups ...

Introduction Data preparation ordered logistic regression (logit) Ordinal logistic rgeression (probit) CART model Ordinal Random forst model. Continuation Ratio Model Compare models Conclusion Session information Introduction This tutorial aims to explore the most popular models used to predict an ordered response variable. We will use the heart disease data uploaded ...

In psychology, we increasingly encounter data that is nested. It is to the point now where any quantitative psychologist worth their salt must know how to analyze multilevel data. A common approach to multilevel modeling is the varying effects approach, where the relation between a predictor and an outcome variable ...