Publications by Jairemy Edwards
Machine Learning Naive Bayes Spam Classification
library(openxlsx) library(tm) library(car) library(foreign) library(readr) library(dplyr) library(RWeka) library(RODBC) library(class) library(gmodels) library(wordcloud) library(e1071) This project explores a basic application of “naive bayes” classification using strings. The data used are for practice and were drawn from sms_s...
468 sym R (34090 sym/60 pcs) 3 img
Machine Learning Regression Trees and Model Trees
library(openxlsx) library(tm) library(car) library(foreign) library(readr) library(dplyr) library(RWeka) library(RODBC) library(class) library(gmodels) library(rpart) library(rpart.plot) This project explores a basic application of “regression and model trees” prediction. The data used are for practice and were drawn from wine da...
561 sym R (63510 sym/35 pcs) 3 img
Machine Learning Neural Networks & Support Vector Machines
library(openxlsx) library(tm) library(car) library(foreign) library(readr) library(dplyr) library(RWeka) library(RODBC) library(class) library(gmodels) library(neuralnet) library(kernlab) This project explores a basic application of “neural networks and optical character recognition support vector machines”. The data used are for ...
1083 sym R (12128 sym/44 pcs)
Machine Learning K Nearest Neighbor
library(haven) library(car) library(foreign) library(readr) library(dplyr) library(RWeka) library(RODBC) library(class) library(gmodels) This project explores a basic application of “k nearest neighbor” classification. The data used are for practice and were drawn from ANES 2020 (.dta and codebook) and text: “Machine Learning with ...
780 sym R (17977 sym/70 pcs)
Global Map of Airports and Heliports
library(ggplot2) library(tidyverse) library(reshape) This project uses ggplot2 and airport data drawn from https://ourairports.com/data/ to map airport/heliport locations around the globe. # create world data frame world<-map_data("world") # check contents of world data frame str(world) ## 'data.frame': 99338 obs. of 6 variables: ## $ lo...
252 sym R (21929 sym/13 pcs) 2 img
Working with SQL in R
library(reshape) library(haven) library(foreign) library(readr) library(dplyr) library(ggplot2) library(broom) library(car) library(MASS) library(lmtest) library(zoo) library(nortest) library(plotrix) library(scales) library(tableone) library(Weighted.Desc.Stat) library(mitools) library(survey) library(VGAM) library(mice) li...
1518 sym R (9335 sym/54 pcs) 1 img
ACA 2010 Opinion Analysis
library(haven) library(foreign) library(readr) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(ggplot2) library(broom) library(car) ## Loading ...
247 sym R (10285 sym/83 pcs)
Practice with Multinomial Regression in R, Analysis and Interpretation
library(haven) library(foreign) library(readr) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(ggplot2) library(broom) library(car) ## Loading ...
3522 sym R (9294 sym/62 pcs)
Practice with Logit Regression in R, Analysis and Interpretation
library(haven) library(foreign) library(readr) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(ggplot2) library(broom) library(car) ## Loading ...
921 sym R (5163 sym/52 pcs) 1 tbl
Practice with Count Data Models in R, Analysis and Interpretation
library(haven) library(foreign) library(readr) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(ggplot2) library(broom) library(car) ## Loading ...
1931 sym R (18387 sym/81 pcs) 1 img