Implementasi Implementasi SEM-PLS pada Dataset Shopee Short Video untuk Menganalisis Pengaruh System Quality dan Content Quality terhadap Purchase Intention
Ananta Putri Clara (24031554031), Ayu Anggraini (24031554054), Faizah Khasifa Salsabila (24031554056)
LOAD LIBRARY DAN DATA
install.packages(c("tidyverse","psych","corrplot","ggplot2","readxl","seminr","car","moments"))## Installing packages into '/cloud/lib/x86_64-pc-linux-gnu-library/4.6'
## (as 'lib' is unspecified)Menginstal package yang dibutuhkan dalam analisis.
library(tidyverse)## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
## ✔ dplyr 1.2.1 ✔ readr 2.2.0
## ✔ forcats 1.0.1 ✔ stringr 1.6.0
## ✔ ggplot2 4.0.3 ✔ tibble 3.3.1
## ✔ lubridate 1.9.5 ✔ tidyr 1.3.2
## ✔ purrr 1.2.2
## ── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
## ✖ dplyr::filter() masks stats::filter()
## ✖ dplyr::lag() masks stats::lag()
## ℹ Use the conflicted package (<http://conflicted.r-lib.org/>) to force all conflicts to become errorslibrary(psych)##
## Attaching package: 'psych'## The following objects are masked from 'package:ggplot2':
##
## %+%, alphalibrary(corrplot)## corrplot 0.95 loadedlibrary(ggplot2)library(readxl)library(seminr)##
## Attaching package: 'seminr'## The following object is masked from 'package:purrr':
##
## rerunlibrary(car)## Loading required package: carData##
## Attaching package: 'car'## The following object is masked from 'package:psych':
##
## logit## The following object is masked from 'package:dplyr':
##
## recode## The following object is masked from 'package:purrr':
##
## somelibrary(moments)Memanggil library yang diperlukan selama proses analisis data.
data <- read_excel("PI_Shopee_Video_Survey_Data.xlsx")## New names:
## • `` -> `...37`
## • `` -> `...38`Membaca dataset penelitian dari file Excel ke dalam R.
data <- data %>% select(where(~ !all(is.na(.))))Menghapus kolom yang seluruh nilainya kosong (NA) agar data lebih bersih dan siap dianalisis.
ANALISIS DESKRIPTIF
num_data <- data %>% select(where(is.numeric))
describe(num_data)## vars
## Shopee Video loads quickly without long waiting time. 1
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 2
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 3
## I can easily find and watch the videos I want on Shopee. 4
## When I like, comment, or share a video link, Shopee Video responds quickly. 5
## Content in Shopee Video explains product details clearly. 6
## The information presented in Shopee Video is consistent from start to finish. 7
## I believe that product claims in Shopee Video are accurate. 8
## Shopee Video provides complete information about the products being sold. 9
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 10
## I find the Shopee Video feature easy to use and understand. 11
## Shopee Video helps me understand how a product works or is used. 12
## I tend to trust sellers in Shopee Video when they recommend products. 13
## I feel emotionally connected to sellers in Shopee Video. 14
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 15
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 16
## I often interact on Shopee Video by giving likes. 17
## I often interact on Shopee Video by leaving comments. 18
## I often interact on Shopee Video by sharing video links with others. 19
## I immediately buy a product after seeing content in Shopee Video. 20
## I feel encouraged to purchase a product after watching Shopee Video. 21
## I consider purchasing a product after seeing it in Shopee Video. 22
## I will look for more information about a product I saw in Shopee Video before purchasing it. 23
## n
## Shopee Video loads quickly without long waiting time. 300
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 300
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 300
## I can easily find and watch the videos I want on Shopee. 300
## When I like, comment, or share a video link, Shopee Video responds quickly. 300
## Content in Shopee Video explains product details clearly. 300
## The information presented in Shopee Video is consistent from start to finish. 300
## I believe that product claims in Shopee Video are accurate. 300
## Shopee Video provides complete information about the products being sold. 300
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 300
## I find the Shopee Video feature easy to use and understand. 300
## Shopee Video helps me understand how a product works or is used. 300
## I tend to trust sellers in Shopee Video when they recommend products. 300
## I feel emotionally connected to sellers in Shopee Video. 300
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 300
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 300
## I often interact on Shopee Video by giving likes. 300
## I often interact on Shopee Video by leaving comments. 300
## I often interact on Shopee Video by sharing video links with others. 300
## I immediately buy a product after seeing content in Shopee Video. 300
## I feel encouraged to purchase a product after watching Shopee Video. 300
## I consider purchasing a product after seeing it in Shopee Video. 300
## I will look for more information about a product I saw in Shopee Video before purchasing it. 300
## mean
## Shopee Video loads quickly without long waiting time. 5.16
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 4.91
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 5.00
## I can easily find and watch the videos I want on Shopee. 5.30
## When I like, comment, or share a video link, Shopee Video responds quickly. 5.13
## Content in Shopee Video explains product details clearly. 5.31
## The information presented in Shopee Video is consistent from start to finish. 5.19
## I believe that product claims in Shopee Video are accurate. 4.94
## Shopee Video provides complete information about the products being sold. 5.24
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 5.89
## I find the Shopee Video feature easy to use and understand. 5.84
## Shopee Video helps me understand how a product works or is used. 5.77
## I tend to trust sellers in Shopee Video when they recommend products. 5.30
## I feel emotionally connected to sellers in Shopee Video. 4.25
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 4.62
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 5.19
## I often interact on Shopee Video by giving likes. 3.85
## I often interact on Shopee Video by leaving comments. 3.50
## I often interact on Shopee Video by sharing video links with others. 3.74
## I immediately buy a product after seeing content in Shopee Video. 4.34
## I feel encouraged to purchase a product after watching Shopee Video. 4.98
## I consider purchasing a product after seeing it in Shopee Video. 5.38
## I will look for more information about a product I saw in Shopee Video before purchasing it. 5.86
## sd
## Shopee Video loads quickly without long waiting time. 1.37
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 1.54
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 1.50
## I can easily find and watch the videos I want on Shopee. 1.47
## When I like, comment, or share a video link, Shopee Video responds quickly. 1.45
## Content in Shopee Video explains product details clearly. 1.25
## The information presented in Shopee Video is consistent from start to finish. 1.26
## I believe that product claims in Shopee Video are accurate. 1.33
## Shopee Video provides complete information about the products being sold. 1.29
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 1.30
## I find the Shopee Video feature easy to use and understand. 1.09
## Shopee Video helps me understand how a product works or is used. 1.15
## I tend to trust sellers in Shopee Video when they recommend products. 1.37
## I feel emotionally connected to sellers in Shopee Video. 1.61
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 1.54
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 1.57
## I often interact on Shopee Video by giving likes. 1.97
## I often interact on Shopee Video by leaving comments. 1.90
## I often interact on Shopee Video by sharing video links with others. 1.92
## I immediately buy a product after seeing content in Shopee Video. 1.53
## I feel encouraged to purchase a product after watching Shopee Video. 1.48
## I consider purchasing a product after seeing it in Shopee Video. 1.38
## I will look for more information about a product I saw in Shopee Video before purchasing it. 1.25
## median
## Shopee Video loads quickly without long waiting time. 5.0
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 5.0
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 5.0
## I can easily find and watch the videos I want on Shopee. 6.0
## When I like, comment, or share a video link, Shopee Video responds quickly. 5.0
## Content in Shopee Video explains product details clearly. 5.0
## The information presented in Shopee Video is consistent from start to finish. 5.0
## I believe that product claims in Shopee Video are accurate. 5.0
## Shopee Video provides complete information about the products being sold. 5.0
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 6.0
## I find the Shopee Video feature easy to use and understand. 6.0
## Shopee Video helps me understand how a product works or is used. 6.0
## I tend to trust sellers in Shopee Video when they recommend products. 6.0
## I feel emotionally connected to sellers in Shopee Video. 4.0
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 5.0
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 6.0
## I often interact on Shopee Video by giving likes. 4.0
## I often interact on Shopee Video by leaving comments. 3.0
## I often interact on Shopee Video by sharing video links with others. 4.0
## I immediately buy a product after seeing content in Shopee Video. 4.5
## I feel encouraged to purchase a product after watching Shopee Video. 5.0
## I consider purchasing a product after seeing it in Shopee Video. 6.0
## I will look for more information about a product I saw in Shopee Video before purchasing it. 6.0
## trimmed
## Shopee Video loads quickly without long waiting time. 5.27
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 5.03
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 5.12
## I can easily find and watch the videos I want on Shopee. 5.47
## When I like, comment, or share a video link, Shopee Video responds quickly. 5.26
## Content in Shopee Video explains product details clearly. 5.41
## The information presented in Shopee Video is consistent from start to finish. 5.28
## I believe that product claims in Shopee Video are accurate. 4.97
## Shopee Video provides complete information about the products being sold. 5.34
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 6.12
## I find the Shopee Video feature easy to use and understand. 6.00
## Shopee Video helps me understand how a product works or is used. 5.93
## I tend to trust sellers in Shopee Video when they recommend products. 5.44
## I feel emotionally connected to sellers in Shopee Video. 4.30
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 4.73
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 5.38
## I often interact on Shopee Video by giving likes. 3.83
## I often interact on Shopee Video by leaving comments. 3.44
## I often interact on Shopee Video by sharing video links with others. 3.72
## I immediately buy a product after seeing content in Shopee Video. 4.42
## I feel encouraged to purchase a product after watching Shopee Video. 5.12
## I consider purchasing a product after seeing it in Shopee Video. 5.56
## I will look for more information about a product I saw in Shopee Video before purchasing it. 6.08
## mad
## Shopee Video loads quickly without long waiting time. 1.48
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 1.48
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 1.48
## I can easily find and watch the videos I want on Shopee. 1.48
## When I like, comment, or share a video link, Shopee Video responds quickly. 1.48
## Content in Shopee Video explains product details clearly. 1.48
## The information presented in Shopee Video is consistent from start to finish. 1.48
## I believe that product claims in Shopee Video are accurate. 1.48
## Shopee Video provides complete information about the products being sold. 1.48
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 1.48
## I find the Shopee Video feature easy to use and understand. 1.48
## Shopee Video helps me understand how a product works or is used. 1.48
## I tend to trust sellers in Shopee Video when they recommend products. 1.48
## I feel emotionally connected to sellers in Shopee Video. 1.48
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 1.48
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 1.48
## I often interact on Shopee Video by giving likes. 2.97
## I often interact on Shopee Video by leaving comments. 2.97
## I often interact on Shopee Video by sharing video links with others. 2.97
## I immediately buy a product after seeing content in Shopee Video. 2.22
## I feel encouraged to purchase a product after watching Shopee Video. 1.48
## I consider purchasing a product after seeing it in Shopee Video. 1.48
## I will look for more information about a product I saw in Shopee Video before purchasing it. 1.48
## min
## Shopee Video loads quickly without long waiting time. 1
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 1
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 1
## I can easily find and watch the videos I want on Shopee. 1
## When I like, comment, or share a video link, Shopee Video responds quickly. 1
## Content in Shopee Video explains product details clearly. 1
## The information presented in Shopee Video is consistent from start to finish. 1
## I believe that product claims in Shopee Video are accurate. 1
## Shopee Video provides complete information about the products being sold. 1
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 1
## I find the Shopee Video feature easy to use and understand. 1
## Shopee Video helps me understand how a product works or is used. 1
## I tend to trust sellers in Shopee Video when they recommend products. 1
## I feel emotionally connected to sellers in Shopee Video. 1
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 1
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 1
## I often interact on Shopee Video by giving likes. 1
## I often interact on Shopee Video by leaving comments. 1
## I often interact on Shopee Video by sharing video links with others. 1
## I immediately buy a product after seeing content in Shopee Video. 1
## I feel encouraged to purchase a product after watching Shopee Video. 1
## I consider purchasing a product after seeing it in Shopee Video. 1
## I will look for more information about a product I saw in Shopee Video before purchasing it. 1
## max
## Shopee Video loads quickly without long waiting time. 7
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 7
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 7
## I can easily find and watch the videos I want on Shopee. 7
## When I like, comment, or share a video link, Shopee Video responds quickly. 7
## Content in Shopee Video explains product details clearly. 7
## The information presented in Shopee Video is consistent from start to finish. 7
## I believe that product claims in Shopee Video are accurate. 7
## Shopee Video provides complete information about the products being sold. 7
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 7
## I find the Shopee Video feature easy to use and understand. 7
## Shopee Video helps me understand how a product works or is used. 7
## I tend to trust sellers in Shopee Video when they recommend products. 7
## I feel emotionally connected to sellers in Shopee Video. 7
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 7
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 7
## I often interact on Shopee Video by giving likes. 7
## I often interact on Shopee Video by leaving comments. 7
## I often interact on Shopee Video by sharing video links with others. 7
## I immediately buy a product after seeing content in Shopee Video. 7
## I feel encouraged to purchase a product after watching Shopee Video. 7
## I consider purchasing a product after seeing it in Shopee Video. 7
## I will look for more information about a product I saw in Shopee Video before purchasing it. 7
## range
## Shopee Video loads quickly without long waiting time. 6
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 6
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 6
## I can easily find and watch the videos I want on Shopee. 6
## When I like, comment, or share a video link, Shopee Video responds quickly. 6
## Content in Shopee Video explains product details clearly. 6
## The information presented in Shopee Video is consistent from start to finish. 6
## I believe that product claims in Shopee Video are accurate. 6
## Shopee Video provides complete information about the products being sold. 6
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 6
## I find the Shopee Video feature easy to use and understand. 6
## Shopee Video helps me understand how a product works or is used. 6
## I tend to trust sellers in Shopee Video when they recommend products. 6
## I feel emotionally connected to sellers in Shopee Video. 6
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 6
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 6
## I often interact on Shopee Video by giving likes. 6
## I often interact on Shopee Video by leaving comments. 6
## I often interact on Shopee Video by sharing video links with others. 6
## I immediately buy a product after seeing content in Shopee Video. 6
## I feel encouraged to purchase a product after watching Shopee Video. 6
## I consider purchasing a product after seeing it in Shopee Video. 6
## I will look for more information about a product I saw in Shopee Video before purchasing it. 6
## skew
## Shopee Video loads quickly without long waiting time. -0.80
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) -0.60
## Shopee Video runs smoothly without disruptions such as lag or stuttering. -0.64
## I can easily find and watch the videos I want on Shopee. -0.94
## When I like, comment, or share a video link, Shopee Video responds quickly. -0.74
## Content in Shopee Video explains product details clearly. -0.78
## The information presented in Shopee Video is consistent from start to finish. -0.57
## I believe that product claims in Shopee Video are accurate. -0.37
## Shopee Video provides complete information about the products being sold. -0.61
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). -1.48
## I find the Shopee Video feature easy to use and understand. -1.20
## Shopee Video helps me understand how a product works or is used. -1.37
## I tend to trust sellers in Shopee Video when they recommend products. -0.80
## I feel emotionally connected to sellers in Shopee Video. -0.24
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. -0.55
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). -0.90
## I often interact on Shopee Video by giving likes. -0.03
## I often interact on Shopee Video by leaving comments. 0.13
## I often interact on Shopee Video by sharing video links with others. 0.02
## I immediately buy a product after seeing content in Shopee Video. -0.34
## I feel encouraged to purchase a product after watching Shopee Video. -0.80
## I consider purchasing a product after seeing it in Shopee Video. -1.18
## I will look for more information about a product I saw in Shopee Video before purchasing it. -1.48
## kurtosis
## Shopee Video loads quickly without long waiting time. 0.36
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) -0.29
## Shopee Video runs smoothly without disruptions such as lag or stuttering. -0.22
## I can easily find and watch the videos I want on Shopee. 0.52
## When I like, comment, or share a video link, Shopee Video responds quickly. 0.29
## Content in Shopee Video explains product details clearly. 0.61
## The information presented in Shopee Video is consistent from start to finish. 0.08
## I believe that product claims in Shopee Video are accurate. -0.28
## Shopee Video provides complete information about the products being sold. 0.00
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 2.11
## I find the Shopee Video feature easy to use and understand. 1.94
## Shopee Video helps me understand how a product works or is used. 2.93
## I tend to trust sellers in Shopee Video when they recommend products. 0.37
## I feel emotionally connected to sellers in Shopee Video. -0.83
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. -0.40
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 0.09
## I often interact on Shopee Video by giving likes. -1.23
## I often interact on Shopee Video by leaving comments. -1.23
## I often interact on Shopee Video by sharing video links with others. -1.25
## I immediately buy a product after seeing content in Shopee Video. -0.43
## I feel encouraged to purchase a product after watching Shopee Video. 0.23
## I consider purchasing a product after seeing it in Shopee Video. 1.44
## I will look for more information about a product I saw in Shopee Video before purchasing it. 2.39
## se
## Shopee Video loads quickly without long waiting time. 0.08
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.) 0.09
## Shopee Video runs smoothly without disruptions such as lag or stuttering. 0.09
## I can easily find and watch the videos I want on Shopee. 0.08
## When I like, comment, or share a video link, Shopee Video responds quickly. 0.08
## Content in Shopee Video explains product details clearly. 0.07
## The information presented in Shopee Video is consistent from start to finish. 0.07
## I believe that product claims in Shopee Video are accurate. 0.08
## Shopee Video provides complete information about the products being sold. 0.07
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material). 0.08
## I find the Shopee Video feature easy to use and understand. 0.06
## Shopee Video helps me understand how a product works or is used. 0.07
## I tend to trust sellers in Shopee Video when they recommend products. 0.08
## I feel emotionally connected to sellers in Shopee Video. 0.09
## When watching Shopee Video, I feel as if I’m interacting directly with the seller. 0.09
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting). 0.09
## I often interact on Shopee Video by giving likes. 0.11
## I often interact on Shopee Video by leaving comments. 0.11
## I often interact on Shopee Video by sharing video links with others. 0.11
## I immediately buy a product after seeing content in Shopee Video. 0.09
## I feel encouraged to purchase a product after watching Shopee Video. 0.09
## I consider purchasing a product after seeing it in Shopee Video. 0.08
## I will look for more information about a product I saw in Shopee Video before purchasing it. 0.07Memilih variabel numerik dan menampilkan statistik deskriptif seperti mean, standar deviasi, nilai minimum, dan maksimum.
sapply(data, function(x)
sum(is.na(x))/length(x)*100)## Timestamp
## 8.256881
## Email Address
## 8.256881
## Gender
## 8.256881
## Age
## 8.256881
## Occupation
## 8.256881
## How long have you been a Shopee user?
## 8.256881
## After viewing the screenshot above, have you ever used/opened the Shopee Video feature at least once?
## 8.256881
## What is your main purpose in using Shopee Video?
## 8.256881
## What product category do you most often purchase through Shopee Video?
## 8.256881
## How familiar are you with the Shopee Video features?
## 8.256881
## How often do you use Shopee Video in a week?
## 8.256881
## How much time do you usually spend using Shopee Video each time?
## 8.256881
## Have you ever made a purchase after watching content in Shopee Video?
## 8.256881
## Shopee Video loads quickly without long waiting time.
## 8.256881
## Shopee Video rarely experiences technical issues when I use it.\r\n(Issues include app not opening, videos not running smoothly, or features not responding.)
## 8.256881
## Shopee Video runs smoothly without disruptions such as lag or stuttering.
## 8.256881
## I can easily find and watch the videos I want on Shopee.
## 8.256881
## When I like, comment, or share a video link, Shopee Video responds quickly.
## 8.256881
## Content in Shopee Video explains product details clearly.
## 8.256881
## The information presented in Shopee Video is consistent from start to finish.
## 8.256881
## I believe that product claims in Shopee Video are accurate.
## 8.256881
## Shopee Video provides complete information about the products being sold.
## 8.256881
## Shopee Video is free from inappropriate content (e.g., ethnicity, religion, violence, or offensive material).
## 8.256881
## I find the Shopee Video feature easy to use and understand.
## 8.256881
## Shopee Video helps me understand how a product works or is used.
## 8.256881
## I tend to trust sellers in Shopee Video when they recommend products.
## 8.256881
## I feel emotionally connected to sellers in Shopee Video.
## 8.256881
## When watching Shopee Video, I feel as if I’m interacting directly with the seller.
## 8.256881
## I trust a product more after engaging with Shopee Video (e.g., liking or commenting).
## 8.256881
## I often interact on Shopee Video by giving likes.
## 8.256881
## I often interact on Shopee Video by leaving comments.
## 8.256881
## I often interact on Shopee Video by sharing video links with others.
## 8.256881
## I immediately buy a product after seeing content in Shopee Video.
## 8.256881
## I feel encouraged to purchase a product after watching Shopee Video.
## 8.256881
## I consider purchasing a product after seeing it in Shopee Video.
## 8.256881
## I will look for more information about a product I saw in Shopee Video before purchasing it.
## 8.256881
## ...37
## 96.024465
## ...38
## 99.082569Menghitung persentase missing value pada setiap variabel dalam dataset.
VISUALISAI
ggplot(data, aes(x = `Shopee Video loads quickly without long waiting time.`)) +
geom_histogram(bins = 10, fill = "skyblue", color = "black") +
theme_minimal()## Warning: Removed 27 rows containing non-finite outside the scale range
## (`stat_bin()`).
Membuat histogram untuk melihat distribusi jawaban responden pada salah
satu indikator penelitian.
data_long <- num_data %>%
pivot_longer(cols = everything()) %>%
drop_na()Mengubah data ke format long agar dapat divisualisasikan dalam satu boxplot.
ggplot(data_long, aes(x = name, y = value)) +
geom_boxplot(fill = "lightblue") +
theme_minimal() +
theme(axis.text.x = element_text(angle = 90))
Membuat boxplot untuk melihat persebaran data dan mendeteksi
outlier.
KORELASI
colnames(num_data) <- c(
"KS1","KS2","KS3",
"KV1","KV2","KV3",
"MB1","MB2","MB3"
)Mengubah nama variabel menjadi lebih singkat agar mempermudah proses analisis.
cor_matrix <- cor(num_data, use = "complete.obs")Menghitung matriks korelasi antar variabel numerik.
corrplot(cor_matrix,
method = "color",
type = "upper",
tl.cex = 0.8,
tl.col = "black",
tl.srt = 45)
Menampilkan visualisasi korelasi antar variabel menggunakan
corrplot.
UJI NORMALITAS
normalitas <- data.frame(
Variabel = names(num_data),
P_Value = sapply(num_data, function(x){
if(length(unique(x)) > 2){
shapiro.test(x)$p.value
} else {
NA
}
})
)Melakukan uji normalitas Shapiro-Wilk pada setiap variabel numerik.
normalitas## Variabel P_Value
## 1 KS1 3.693408e-13
## 2 KS2 1.232228e-11
## 3 KS3 4.880367e-12
## 4 KV1 1.902128e-14
## 5 KV2 9.420935e-13
## 6 KV3 3.299452e-13
## 7 MB1 5.315226e-12
## 8 MB2 1.219477e-10
## 9 MB3 2.322522e-12
## 10 <NA> 2.060136e-19
## 11 <NA> 4.712677e-17
## 12 <NA> 1.633225e-17
## 13 <NA> 2.324970e-13
## 14 <NA> 1.559604e-09
## 15 <NA> 3.788737e-11
## 16 <NA> 1.190159e-14
## 17 <NA> 7.032847e-12
## 18 <NA> 2.823065e-12
## 19 <NA> 1.055686e-11
## 20 <NA> 2.070788e-09
## 21 <NA> 6.788405e-13
## 22 <NA> 7.159787e-16
## 23 <NA> 7.046418e-19Menampilkan hasil uji normalitas berupa nilai p-value setiap variabel.
PEMILIHAN DATA SEM-PLS
sem_data <- data %>%
select(
KS1 = `Shopee Video loads quickly without long waiting time.`,
KS2 = `Shopee Video runs smoothly without disruptions such as lag or stuttering.`,
KS3 = `I find the Shopee Video feature easy to use and understand.`,
KV1 = `I can easily find and watch the videos I want on Shopee.`,
KV2 = `Content in Shopee Video explains product details clearly.`,
KV3 = `I find the Shopee Video feature easy to use and understand.`,
MB1 = `I immediately buy a product after seeing content in Shopee Video.`,
MB2 = `I feel encouraged to purchase a product after watching Shopee Video.`,
MB3 = `I consider purchasing a product after seeing it in Shopee Video.`
)Memilih indikator yang digunakan dalam model SEM-PLS
sem_data <- sem_data %>%
mutate(across(everything(), ~as.numeric(as.character(.))))Mengubah seluruh variabel menjadi tipe numerik.
sem_data <- na.omit(sem_data)Menghapus data yang masih memiliki missing value.
UJI MULTIKOLINEARITAS
model_vif <- lm(MB1 ~ KS1 + KS2 + KS3 + KV1 + KV2, data = sem_data)Membuat model regresi linear untuk pengujian multikolinearitas.
alias(model_vif)## Model :
## MB1 ~ KS1 + KS2 + KS3 + KV1 + KV2Memeriksa kemungkinan adanya variabel yang saling identik atau redundant.
summary(sem_data$KV3)## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 1.000 5.000 6.000 5.843 7.000 7.000table(sem_data$KV3)##
## 1 2 3 4 5 6 7
## 1 3 7 19 60 121 89Menampilkan ringkasan distribusi data pada variabel KV3.
vif(model_vif)## KS1 KS2 KS3 KV1 KV2
## 1.579167 1.495296 1.636515 1.756435 1.786728Menghitung nilai Variance Inflation Factor (VIF) untuk mendeteksi multikolinearitas antar variabel independen.
MEMBUAT SEM-PLS
remove.packages("seminr")## Removing package from '/cloud/lib/x86_64-pc-linux-gnu-library/4.6'
## (as 'lib' is unspecified)Kode tersebut digunakan untuk menghapus package seminr yang telah terpasang sebelumnya agar tidak terjadi konflik versi package.
install.packages("remotes") ## Installing package into '/cloud/lib/x86_64-pc-linux-gnu-library/4.6'
## (as 'lib' is unspecified)remotes::install_version("seminr", version = "2.3.3") ## Downloading package from url: http://rspm/default/__linux__/noble/latest/src/contrib/Archive/seminr/seminr_2.3.3.tar.gz## Installing package into '/cloud/lib/x86_64-pc-linux-gnu-library/4.6'
## (as 'lib' is unspecified)Kode digunakan untuk menginstal package seminr versi 2.3.3 yang digunakan dalam analisis SEM-PLS, kemudian me-restart sesi R agar package dapat dimuat dengan baik
library(seminr)
names(sem_data) ## [1] "KS1" "KS2" "KS3" "KV1" "KV2" "KV3" "MB1" "MB2" "MB3"sessionInfo()## R version 4.6.0 (2026-04-24)
## Platform: x86_64-pc-linux-gnu
## Running under: Ubuntu 24.04.4 LTS
##
## Matrix products: default
## BLAS: /usr/lib/x86_64-linux-gnu/openblas-pthread/libblas.so.3
## LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/libopenblasp-r0.3.26.so; LAPACK version 3.12.0
##
## locale:
## [1] LC_CTYPE=C.UTF-8 LC_NUMERIC=C LC_TIME=C.UTF-8
## [4] LC_COLLATE=C.UTF-8 LC_MONETARY=C.UTF-8 LC_MESSAGES=C.UTF-8
## [7] LC_PAPER=C.UTF-8 LC_NAME=C LC_ADDRESS=C
## [10] LC_TELEPHONE=C LC_MEASUREMENT=C.UTF-8 LC_IDENTIFICATION=C
##
## time zone: UTC
## tzcode source: system (glibc)
##
## attached base packages:
## [1] stats graphics grDevices utils datasets methods base
##
## other attached packages:
## [1] moments_0.14.1 car_3.1-5 carData_3.0-6 seminr_2.3.3
## [5] readxl_1.5.0 corrplot_0.95 psych_2.6.5 lubridate_1.9.5
## [9] forcats_1.0.1 stringr_1.6.0 dplyr_1.2.1 purrr_1.2.2
## [13] readr_2.2.0 tidyr_1.3.2 tibble_3.3.1 ggplot2_4.0.3
## [17] tidyverse_2.0.0
##
## loaded via a namespace (and not attached):
## [1] sass_0.4.10 generics_0.1.4 stringi_1.8.7 lattice_0.22-9
## [5] hms_1.1.4 digest_0.6.39 magrittr_2.0.5 evaluate_1.0.5
## [9] grid_4.6.0 timechange_0.4.0 RColorBrewer_1.1-3 fastmap_1.2.0
## [13] cellranger_1.1.0 jsonlite_2.0.0 Formula_1.2-5 scales_1.4.0
## [17] jquerylib_0.1.4 abind_1.4-8 mnormt_2.1.2 cli_3.6.6
## [21] rlang_1.2.0 remotes_2.5.0 withr_3.0.2 cachem_1.1.0
## [25] yaml_2.3.12 tools_4.6.0 parallel_4.6.0 tzdb_0.5.0
## [29] vctrs_0.7.3 R6_2.6.1 lifecycle_1.0.5 pkgconfig_2.0.3
## [33] pillar_1.11.1 bslib_0.11.0 gtable_0.3.6 glue_1.8.1
## [37] xfun_0.57 tidyselect_1.2.1 rstudioapi_0.18.0 knitr_1.51
## [41] farver_2.1.2 htmltools_0.5.9 nlme_3.1-169 labeling_0.4.3
## [45] rmarkdown_2.31 compiler_4.6.0 S7_0.2.2Kode tersebut digunakan untuk memuat package seminr, menampilkan nama variabel pada dataset, serta melihat informasi versi R dan package yang digunakan.
sem_data <- as.data.frame(sem_data)Kode digunakan untuk mengubah data menjadi format data frame agar dapat diproses dalam analisis SEM-PLS menggunakan package seminr.
measurement_model <- constructs(
reflective("Kualitas_Sistem", c("KS1","KS2","KS3")),
reflective("Konten_Video", c("KV1","KV2","KV3")),
reflective("Minat_Beli", c("MB1","MB2","MB3"))
)Mendefinisikan hubungan indikator dengan konstruk laten menggunakan model reflektif.
structural_model <- relationships(
paths(from = c("Kualitas_Sistem","Konten_Video"), to = "Minat_Beli")
)Mendefinisikan hubungan antar konstruk dalam model penelitian.
pls_model <- estimate_pls(
data = sem_data,
measurement_model = measurement_model,
structural_model = structural_model
)## Generating the seminr model## All 300 observations are valid.Melakukan estimasi model SEM-PLS berdasarkan data penelitian.
output
summary(pls_model)##
## Results from package seminr (2.3.3)
##
## Path Coefficients:
## Minat_Beli
## R^2 0.309
## AdjR^2 0.304
## Kualitas_Sistem 1.506
## Konten_Video -0.868
##
## Reliability:
## alpha rhoA rhoC AVE
## Kualitas_Sistem 0.673 0.762 0.657 0.417
## Konten_Video 0.790 0.793 0.790 0.557
## Minat_Beli 0.842 0.848 0.845 0.646
##
## Alpha, rhoA, and rhoC should exceed 0.7 while AVE should exceed 0.5Menampilkan hasil keseluruhan analisis SEM-PLS.
pls_model$outer_loadings## Kualitas_Sistem Konten_Video Minat_Beli
## KS1 0.5281022 0.0000000 0.0000000
## KS2 0.4015852 0.0000000 0.0000000
## KS3 0.9006765 0.0000000 0.0000000
## KV1 0.0000000 0.6831000 0.0000000
## KV2 0.0000000 0.7663776 0.0000000
## KV3 0.0000000 0.7848477 0.0000000
## MB1 0.0000000 0.0000000 0.8088527
## MB2 0.0000000 0.0000000 0.8519792
## MB3 0.0000000 0.0000000 0.7469329Menampilkan nilai outer loading untuk mengukur validitas indikator terhadap konstruk.
pls_model$path_coef## Kualitas_Sistem Konten_Video Minat_Beli
## Kualitas_Sistem 0 0 1.5058689
## Konten_Video 0 0 -0.8675343
## Minat_Beli 0 0 0.0000000Menampilkan koefisien jalur antar konstruk dalam model.
summary(pls_model)$r_squared## NULLMenampilkan nilai R-Square untuk mengetahui kemampuan variabel independen dalam menjelaskan variabel dependen.
plot(pls_model)Menampilkan diagram model SEM-PLS.
summary(pls_model)$reliability## alpha rhoA rhoC AVE
## Kualitas_Sistem 0.673 0.762 0.657 0.417
## Konten_Video 0.790 0.793 0.790 0.557
## Minat_Beli 0.842 0.848 0.845 0.646
##
## Alpha, rhoA, and rhoC should exceed 0.7 while AVE should exceed 0.5Menampilkan hasil pengujian reliabilitas konstruk.
summary(pls_model)$validity## $vif_items
## Kualitas_Sistem :
## KS1 KS2 KS3
## 1.513 1.447 1.180
##
## Konten_Video :
## KV1 KV2 KV3
## 1.658 1.737 1.602
##
## Minat_Beli :
## MB1 MB2 MB3
## 2.043 3.144 2.039
##
##
## $htmt
## Kualitas_Sistem Konten_Video Minat_Beli
## Kualitas_Sistem . . .
## Konten_Video 0.991 . .
## Minat_Beli 0.581 0.696 .
##
## $fl_criteria
## Kualitas_Sistem Konten_Video Minat_Beli
## Kualitas_Sistem 0.646 . .
## Konten_Video 0.807 0.746 .
## Minat_Beli 0.487 0.570 0.804
##
## FL Criteria table reports square root of AVE on the diagonal and construct correlations on the lower triangle.
##
## $cross_loadings
## Kualitas_Sistem Konten_Video Minat_Beli
## KS1 0.752 0.458 0.295
## KS2 0.674 0.394 0.224
## KS3 0.850 0.840 0.502
## KV1 0.583 0.823 0.437
## KV2 0.583 0.854 0.491
## KV3 0.850 0.840 0.502
## MB1 0.457 0.496 0.849
## MB2 0.434 0.530 0.933
## MB3 0.381 0.464 0.834summary(pls_model)$validity$AVE## NULLMenampilkan hasil pengujian validitas dan nilai Average Variance Extracted (AVE).
nrow(sem_data)## [1] 300boot_model <- bootstrap_model(
seminr_model = pls_model,
nboot = 500,
cores = 1
)## Bootstrapping model using seminr...## Bootstrapping encountered this ERROR:## Error in `checkForRemoteErrors()`:
## ! one node produced an error: unused argument (assess_syntax = FALSE)Melakukan bootstrapping sebanyak 500 subsampel untuk menguji signifikansi hubungan antar variabel.
names(boot_model) ## [1] "meanData" "sdData" "smMatrix"
## [4] "mmMatrix" "constructs" "mmVariables"
## [7] "outer_loadings" "outer_weights" "path_coef"
## [10] "iterations" "weightDiff" "construct_scores"
## [13] "rSquared" "inner_weights" "data"
## [16] "rawdata" "measurement_model" "structural_model"
## [19] "settings"untuk menampilkan nama komponen yang terdapat pada objek boot_model hasil bootstrapping SEM-PLS.
boot_model$paths## NULLMenampilkan hasil pengujian jalur beserta nilai statistiknya.
write.csv(pls_model$outer_loadings, "Outer_Loading.csv")
write.csv(summary(pls_model)$r_squared, "R_Square.csv")Menyimpan hasil outer loading dan R-Square ke file CSV untuk dokumentasi penelitian.