Untitled
Elena Miska Faradisa
2025-04-25
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, unionlibrary(ggplot2)#import data
titanic = read.csv("/Users/elenamiskafaradisa/Documents 2/titanic2.csv.csv")tally(titanic)## n
## 1 891titanic %>%
select(1:9) %>% #kolom 1:9
sample_n(size= 10)## PassengerId Survived Pclass Name
## 1 211 0 3 Ali, Mr. Ahmed
## 2 843 1 1 Serepeca, Miss. Augusta
## 3 70 0 3 Kink, Mr. Vincenz
## 4 319 1 1 Wick, Miss. Mary Natalie
## 5 486 0 3 Lefebre, Miss. Jeannie
## 6 572 1 1 Appleton, Mrs. Edward Dale (Charlotte Lamson)
## 7 870 1 3 Johnson, Master. Harold Theodor
## 8 552 0 2 Sharp, Mr. Percival James R
## 9 144 0 3 Burke, Mr. Jeremiah
## 10 612 0 3 Jardin, Mr. Jose Neto
## Sex Age SibSp Parch Ticket
## 1 male 24 0 0 SOTON/O.Q. 3101311
## 2 female 30 0 0 113798
## 3 male 26 2 0 315151
## 4 female 31 0 2 36928
## 5 female NA 3 1 4133
## 6 female 53 2 0 11769
## 7 male 4 1 1 347742
## 8 male 27 0 0 244358
## 9 male 19 0 0 365222
## 10 male NA 0 0 SOTON/O.Q. 3101305#summary
glimpse(titanic) #lebiih rapi## Rows: 891
## Columns: 12
## $ PassengerId <int> 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,…
## $ Survived <int> 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1…
## $ Pclass <int> 3, 1, 3, 1, 3, 3, 1, 3, 3, 2, 3, 1, 3, 3, 3, 2, 3, 2, 3, 3…
## $ Name <chr> "Braund, Mr. Owen Harris", "Cumings, Mrs. John Bradley (Fl…
## $ Sex <chr> "male", "female", "female", "female", "male", "male", "mal…
## $ Age <dbl> 22, 38, 26, 35, 35, NA, 54, 2, 27, 14, 4, 58, 20, 39, 14, …
## $ SibSp <int> 1, 1, 0, 1, 0, 0, 0, 3, 0, 1, 1, 0, 0, 1, 0, 0, 4, 0, 1, 0…
## $ Parch <int> 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 1, 0, 0, 5, 0, 0, 1, 0, 0, 0…
## $ Ticket <chr> "A/5 21171", "PC 17599", "STON/O2. 3101282", "113803", "37…
## $ Fare <dbl> 7.2500, 71.2833, 7.9250, 53.1000, 8.0500, 8.4583, 51.8625,…
## $ Cabin <chr> "", "C85", "", "C123", "", "", "E46", "", "", "", "G6", "C…
## $ Embarked <chr> "S", "C", "S", "S", "S", "Q", "S", "S", "S", "C", "S", "S"…str(titanic)## 'data.frame': 891 obs. of 12 variables:
## $ PassengerId: int 1 2 3 4 5 6 7 8 9 10 ...
## $ Survived : int 0 1 1 1 0 0 0 0 1 1 ...
## $ Pclass : int 3 1 3 1 3 3 1 3 3 2 ...
## $ Name : chr "Braund, Mr. Owen Harris" "Cumings, Mrs. John Bradley (Florence Briggs Thayer)" "Heikkinen, Miss. Laina" "Futrelle, Mrs. Jacques Heath (Lily May Peel)" ...
## $ Sex : chr "male" "female" "female" "female" ...
## $ Age : num 22 38 26 35 35 NA 54 2 27 14 ...
## $ SibSp : int 1 1 0 1 0 0 0 3 0 1 ...
## $ Parch : int 0 0 0 0 0 0 0 1 2 0 ...
## $ Ticket : chr "A/5 21171" "PC 17599" "STON/O2. 3101282" "113803" ...
## $ Fare : num 7.25 71.28 7.92 53.1 8.05 ...
## $ Cabin : chr "" "C85" "" "C123" ...
## $ Embarked : chr "S" "C" "S" "S" ...summary(titanic)## PassengerId Survived Pclass Name
## Min. : 1.0 Min. :0.0000 Min. :1.000 Length:891
## 1st Qu.:223.5 1st Qu.:0.0000 1st Qu.:2.000 Class :character
## Median :446.0 Median :0.0000 Median :3.000 Mode :character
## Mean :446.0 Mean :0.3838 Mean :2.309
## 3rd Qu.:668.5 3rd Qu.:1.0000 3rd Qu.:3.000
## Max. :891.0 Max. :1.0000 Max. :3.000
##
## Sex Age SibSp Parch
## Length:891 Min. : 0.42 Min. :0.000 Min. :0.0000
## Class :character 1st Qu.:20.12 1st Qu.:0.000 1st Qu.:0.0000
## Mode :character Median :28.00 Median :0.000 Median :0.0000
## Mean :29.70 Mean :0.523 Mean :0.3816
## 3rd Qu.:38.00 3rd Qu.:1.000 3rd Qu.:0.0000
## Max. :80.00 Max. :8.000 Max. :6.0000
## NA's :177
## Ticket Fare Cabin Embarked
## Length:891 Min. : 0.00 Length:891 Length:891
## Class :character 1st Qu.: 7.91 Class :character Class :character
## Mode :character Median : 14.45 Mode :character Mode :character
## Mean : 32.20
## 3rd Qu.: 31.00
## Max. :512.33
## #EDA (exploratori data analysis)
#1. perbandingan jenis kelamin di titanic
ggplot(titanic, aes(x = Sex)) + geom_bar(fill = "pink")+
labs(title = "perbandingan jenis kelamin penumpang titanic")
#2. perbandingan data selamat atau tdk berdasarkan kelas
ggplot(titanic, aes(factor(Pclass), fill = factor(Survived))) +
geom_bar(position = "fill") + labs(title = "Proporsi Survival berdasarkan kelas")
#3. Distribusi umur panjang
ggplot(titanic, aes(x=Age)) +
geom_histogram(bins=30,fill="purple", colors= "white")+
labs(title = "Distribusi umur penumpang")## Warning in geom_histogram(bins = 30, fill = "purple", colors = "white"):
## Ignoring unknown parameters: `colours`## Warning: Removed 177 rows containing non-finite outside the scale range
## (`stat_bin()`).
#4. boxplot
ggplot(titanic, aes(x=factor(Survived), y = Age, fill= factor(Survived)))+
geom_boxplot(outlier.color="red")+
labs(title="boxplot")## Warning: Removed 177 rows containing non-finite outside the scale range
## (`stat_boxplot()`).
#scatterplot
ggplot(titanic,aes(x= Age, y=Fare))+
geom_point()+geom_smooth(method="lm", color="blue")+
labs(title ="Pengaruh Umur terhadap harga tiket")## `geom_smooth()` using formula = 'y ~ x'## Warning: Removed 177 rows containing non-finite outside the scale range
## (`stat_smooth()`).## Warning: Removed 177 rows containing missing values or values outside the scale range
## (`geom_point()`).