Mencari Mean, Median, Modus, dan Grafik dengan R Studio

instal packages

install.packages("readr",repos = "http://cran.us.r-project.org")

## Warning: cannot remove prior installation of package 'readr'

## Warning in file.copy(savedcopy, lib, recursive = TRUE): problem copying F:
## \Local Disk C\R-4.1.1\library\00LOCK\readr\libs\x64\readr.dll to F:\Local Disk
## C\R-4.1.1\library\readr\libs\x64\readr.dll: Permission denied

## Warning: restored 'readr'

membaca data

library(readr)
siswa <- read_csv("data-siswa.csv")

## Rows: 9 Columns: 2

## -- Column specification --------------------------------------------------------
## Delimiter: ","
## dbl (2): BB, TB

## 
## i Use `spec()` to retrieve the full column specification for this data.
## i Specify the column types or set `show_col_types = FALSE` to quiet this message.

ukuran pemusatan data

mean(siswa$BB)

## [1] 54

median(siswa$BB)

## [1] 54

modus <- function(x) {
  uniqx <- unique(x)
  uniqx[which.max(tabulate(match(x, uniqx)))]
}
modus(siswa$BB)

## [1] 50

visualisasi

hist(siswa$BB, main = "histogram berat badan")

plot(siswa$BB, main = "plot berat badan")

boxplot(siswa$BB, main = "boxplot berat badan")

Daftar Pustaka

https://osf.io/preprints/inarxiv/ez7mg/download