Data Frames - R for Economists Basics 5 скачать в хорошем качестве

Data Frames - R for Economists Basics 5

This series of videos will serve as an introduction to the R statistics language, targeted at economists. This video offers an introduction to data frames, showing how to create them out of matrices using as.data.frame (although skipping over how to create them from scratch using data.frame() - check it out!), how to select variables using $, and how to look at the data using head(). A (slightly modified) AccountingData.csv can be found at https://www.nickchk.com/AccountingDat... Download the code from all my R videos at once at https://nickchk.com/R%20for%20Economi... You can find links to every video in the series here: http://nickchk.com/videos.html#rstats There are videos on: [BASIC] Getting Started, Getting Help, Objectives and Variables, Vectors and Matrices, Data Frames, Packages, Summary Statistics (of One and Two Variables), Plots and Graphs, and Linear Regression (OLS), [MODERATE] Regression Formulas, Robust or Clustered Standard Errors and Post-Regression Stats, Regression Plots, Instrumental Variables (IV Regression), Time Series, ARIMA and ARMA, Probit and Logit, Tobit and Heckman, Panel Data, and Missing Data, and [ADVANCED] Simulations, The Tidyverse, Reshape and Join/Merge, dplyr (Introduction, Piping, and Grouping), ggplot (Introduction, Geometries, Overlaid and Grouped Plots, and Titles and Labels), and vtable