Publications by Dr. Chelsey Hill
Text Mining: Preprocessing & Transformation
Preliminary We will use two new packages, the tm package and the wordcloud package. If you do not already have these package installed, you will first install them using the install.packages() function. install.packages(c("tm", "wordcloud")) We will also use the DescTools package to obtain high level information about our data. Next, we load thes...
8138 sym R (27487 sym/66 pcs) 4 img
Classification: Special Topics
Preliminary We will not use one new package, the caretEnsemble package to more easily compare our trained models. If you do not already have the caretEnsemble package installed, you will first install it using the install.packages() function. install.packages("caretEnsemble") In this lesson, we will use the DescTools, caret, and caretEnsemble pac...
12344 sym R (12639 sym/58 pcs) 8 img
Text Mining: Sentiment Analysis
Preliminary We will use one new packages, the syuzhet package. If you do not already have this package installed, you will first install it using the install.packages() function. install.packages("syuzhet") We will also use the tm and caret packages. Next, we load these packages for use in the session. library(tm) library(caret) library(syuzhet...
6042 sym R (7315 sym/34 pcs) 3 img
Social Network Analysis
Preliminary We will use three new packages, the sna package, the network package and the visNetwork package. If you do not already have these package installed, you will first install them using the install.packages() function. install.packages(c("sna", "network", "visNetwork")) Next, we load these packages for use in the session. library(sna) l...
6890 sym R (7072 sym/31 pcs)