Browse by category
Tags
 2012
 anova()
 arrays
 bluff
 california
 cbind()
 collinearity
 correlation
 correlations
 csv
 dataframe
 dataframes
 distribution
 DMDX
 evernote
 Exploratory data analysis
 facet
 Flickr
 getting started
 ggplot
 ggplot2
 graph
 Graphics
 grid
 GUI
 help
 histogram
 ifelse
 july
 label
 lattice
 learnR
 learn R
 library
 LME
 lmer()
 matrices
 matrix
 merge
 mixed effects
 modes
 multicollinearity
 normative
 objects
 ols()
 package
 plot
 plyr
 productivity
 programming
 RStudio
 rbind()
 regression
 rename
 rstats
 santacruz
 scatterplot
 Scatter plot
 smoother
 social
 statistical concepts
 subset
 summary
 ttest
 title
 utah
 variable
 vector
 vectors
 visualization
 why R?
 workflow
 working directory
 workspace

Recent Posts
 Getting started — loading data, writing and saving scripts January 16, 2014
 Getting started – getting helped January 16, 2014
 Getting started — Installation of RStudio and some packages + using ggplot() to make a simple plot January 16, 2014
 Postgraduate data analysis and interpretation January 16, 2014
 Mixedeffects modeling — four hour workshop — part IV: LMEs November 5, 2013
Tag Archives: dataframe
Getting started — loading data, writing and saving scripts
[16/1/14 edit — as the procedure for finding data in Mac OS were detailed in class, I am going to leave off editing this post to show Mac OS steps in detail because: steps are mostly the same; and we’ve … Continue reading
Posted in a. Getting started
Tagged dataframe, geom_histogram, ggplot, histogram, save, working directory, workspace
Leave a comment
Getting started – revision of dataframe input, new on looking at data type
This post assumes that you have read and worked through examples in previous posts concerning: 1. how to read in .csv files as dataframes; 2. data structure basics, including discussion of vectors, matrices, and dataframes. We will be working with … Continue reading
Posted in 8. Getting started  data, getting started, rstats
Tagged as.factor, as.numeric, coercion, dataframe, is.factor, is.numeric, variable
Leave a comment
Getting started – basics: vectors and matrices; creating them; manipulating them; referring to specific elements in them
We looked previously at data structures like vectors, and data types or modes, as in numeric, character string or logical. I’ll recap some of the previous post on vectors and then move on to talking about data structures like matrices … Continue reading
Posted in 8. Getting started  data, getting started, rstats
Tagged cbind(), dataframe, matrix, rbind(), vector
Leave a comment
Getting started – selecting data, wrangling data – early (basic) moves
This post and the few following will switch focus from the ML subject scores database to a database built out of normative data about word attributes, which actually comes in a number of different parts (downloadable at the links). Remember that … Continue reading
Posted in .Interim directions, getting started, rstats
Tagged csv, dataframe, normative
Leave a comment
Getting started – working directories, loading data, and a bit more plotting
For this post, I am going to assume that you know about files, folders and directories on your computer. In Windows (e.g. in XP and 7), you should be familiar with Windows Explorer. If you are not, this series of … Continue reading
Posted in 5. Getting started  load data, getting started, rstats, workflow
Tagged csv, dataframe, describe, geom, ggplot2, histogram, plot, read.csv, setwd, str, summary, working directory, workspace
3 Comments