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Instalação do R e RStudio: Passo a Passo
Material passo a passo para instalação do R e RStudio e introdução ao uso do R para análise de dados.
Observer Feedback as Data: Text Mining the DoDEA Americas Mid-Atlantic Learning Walkthrough Corpus
Text mining analysis of 3,843 classroom observation narratives from a K-12 district using LDA topic modeling, TF-IDF inter-rater variation analysis, AFINN sentiment trajectory, and LASSO classification of structured instructional ratings. Built in R with tidytext, topicmodels, and glmnet.
test
han's test
TDG
Análisis de rentabilidad agrícola