Characteri z ing a single v ariable DATA VISU AL IZATION IN R Ron - PowerPoint PPT Presentation

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Characteri z ing a single v ariable DATA VISU AL IZATION IN R Ron Pearson Instr u ctor What do w e e x pect to see ? DATA VISUALIZATION IN R What do w e e x pect to see ? DATA VISUALIZATION IN R What do w e e x pect to see ? DATA

Characteri z ing a single v ariable DATA VISU AL IZATION IN R Ron Pearson Instr u ctor
What do w e e x pect to see ? DATA VISUALIZATION IN R
What do w e e x pect to see ? DATA VISUALIZATION IN R
What do w e e x pect to see ? DATA VISUALIZATION IN R
Usef u l characteri z ation tools in base R graphics DATA VISUALIZATION IN R
Usef u l tools e v en w hen data are not Ga u ssian DATA VISUALIZATION IN R
Let ' s practice ! DATA VISU AL IZATION IN R
Vis u ali z ing relations bet w een t w o v ariables DATA VISU AL IZATION IN R Ron Pearson Instr u ctor
Scatterplots library(MASS) plot(medv ~ rm, data = Boston) DATA VISUALIZATION IN R
library(MASS) plot(medv ~ rm, data = Boston) DATA VISUALIZATION IN R
library(MASS) plot(medv ~ rm, data = Boston) DATA VISUALIZATION IN R
library(MASS) plot(medv ~ rm, data = Boston) DATA VISUALIZATION IN R
S u nflo w erplots DATA VISUALIZATION IN R
S u nflo w erplots DATA VISUALIZATION IN R
Bo x plots DATA VISUALIZATION IN R
Bo x plots library(MASS) boxplot(crim ~ rad, data = Boston, log = "y", las = 1, xlab = "rad") title("Variation of Boston$crim values over discrete Boston$rad values") DATA VISUALIZATION IN R
Mosaic plot mosaicplot(cyl ~ gear, data = mtcars, main ="Mosaicplot") DATA VISUALIZATION IN R
Let ' s practice ! DATA VISU AL IZATION IN R
Sho w ing more comple x relations bet w een v ariables DATA VISU AL IZATION IN R Ron Pearson Instr u ctor
Bagplots : t w o - dimensional bo x plots DATA VISUALIZATION IN R
Correlation coefficient Relationship bet w een t w o n u merical v ariables N u mber bet w een -1 and +1 DATA VISUALIZATION IN R
Correlation coefficient Relationship bet w een t w o n u merical v ariables N u mber bet w een -1 and +1 DATA VISUALIZATION IN R
Correlation coefficient Relationship bet w een t w o n u merical v ariables N u mber bet w een -1 and +1 DATA VISUALIZATION IN R
Correlation plots mtCor <- cor(mtcars) library(corrplot) corrplot(mtCor, method = "ellipse") DATA VISUALIZATION IN R
DATA VISUALIZATION IN R
Displa y ing decision tree models library(rpart) treeModel <- rpart(mpg ~ ., data = mtcars) plot(treeModel) text(treeModel, cex = 1.6, col = "red", xpd = TRUE) DATA VISUALIZATION IN R
Displa y ing decision tree models DATA VISUALIZATION IN R
Displa y ing decision tree models DATA VISUALIZATION IN R
Let ' s practice ! DATA VISU AL IZATION IN R

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