# load packages
library(olsrr)
#>
#> Attaching package: 'olsrr'
#> The following object is masked from 'package:datasets':
#>
#> rivers
# regression
View sort-best-subset.md
View viz_facet.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Case Study 1: combine 4 plots in 2 rows and 2 columns | |
# store the current parameter settings in init | |
init <- par(no.readonly=TRUE) | |
# specify that 4 graphs to be combined and filled by rows | |
par(mfrow = c(2, 2)) | |
# specify the graphs to be combined | |
plot(mtcars$mpg) | |
plot(mtcars$disp, mtcars$mpg) |
View viz_annotations.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# text inside plot | |
plot(mtcars$disp, mtcars$mpg) | |
text(x = 340, y = 30, labels = 'Sample Text') | |
# color | |
plot(mtcars$disp, mtcars$mpg) | |
text(x = 340, y = 30, labels = 'Sample Text', col = 'red') | |
# font | |
plot(mtcars$disp, mtcars$mpg) |
View viz_legend.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# data | |
year <- seq(2010, 2014, 1) | |
india <- c(10.3, 6.6, 5.6, 6.6, 7.2) | |
china <- c(10.6, 9.5, 7.8, 7.7, 7.3) | |
russia <- c(4.5, 4.3, 3.5, 1.3, 0.7) | |
brazil <- c(7.5, 3.9, 1.9, 3.0, 0.1) | |
s_africa <- c(3.2, 3.2, 2.2, 2.2, 1.5) | |
gdp <- data.frame(year, india, china, russia, brazil, s_africa, stringsAsFactors = FALSE) | |
gdp |
View vis_hist.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# distributions | |
# normal distribution | |
hist(rbeta(10000, 5, 5), ann = FALSE, col = 'blue') | |
# skewed distributions | |
hist(rbeta(10000, 2, 5), ann = FALSE, col = 'blue') | |
hist(rbeta(10000, 5, 2), ann = FALSE, col = 'blue') | |
# histogram | |
# store the results of hist function |
View viz_box.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# basic plot | |
boxplot(mtcars$mpg) | |
# horizontal box plot | |
boxplot(mtcars$mpg, horizontal = TRUE) | |
# color | |
boxplot(mtcars$mpg, col = 'blue') | |
# border color |
View viz_bar.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# using plot function | |
plot(as.factor(mtcars$cyl)) | |
# using bar plot function | |
barplot(table(mtcars$cyl)) | |
# tabulated data | |
cyl_freq <- table(mtcars$cyl) | |
cyl_freq |
View viz_line.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# data | |
head(AirPassengers) | |
# plot | |
data <- head(AirPassengers) | |
plot(data, type = 'l') | |
plot(data, type = 'b') | |
plot(data, type = 'o') | |
plot(data, type = 'c') |
View viz_scatter.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# scatter plot | |
plot(mtcars$disp, mtcars$mpg) | |
# add title and axis labels | |
plot(mtcars$disp, mtcars$mpg, | |
main = 'Displacement vs Miles Per Gallon', | |
xlab = 'Displacement', ylab = 'Miles Per Gallon') | |
# point shape | |
plot(mtcars$disp, mtcars$mpg, pch = 6) |
View viz_title_axis_labels.R
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# title | |
plot(mtcars$disp, mtcars$mpg, | |
main = 'Displacement vs Miles Per Gallon') | |
# subtitle | |
plot(mtcars$disp, mtcars$mpg, | |
main = 'Displacement vs Miles Per Gallon', | |
sub = 'Mileage is inversely related to Displacement') | |
# axis labels |
NewerOlder