Working with the grocery shopping dataset gave me a new perspective on how customers view their shopping experiences. I noticed that opinions varied a lot when it came to things like customer service, product variety, and delivery or pickup options. Some customers were really satisfied, while others rated their experiences lower, which shows that people don’t all experience the same store in the same way.

I also found it interesting how the dataset included demographic details like age, gender, and education. It made it clear that shopping habits can differ depending on the type of customer. Because of that, businesses probably shouldn’t treat everyone the same and instead think about how to better meet the needs of different groups. Overall, this analysis showed me how useful it is to combine customer feedback with demographic information to help businesses improve and better serve their customers.

# Automatically install and load required packages
packages <- c("tidyverse")
for (p in packages) {
  if (!require(p, character.only = TRUE)) {
    install.packages(p, dependencies = TRUE)
    library(p, character.only = TRUE)
  }
}
## Loading required package: tidyverse
## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
## ✔ dplyr     1.2.0     ✔ readr     2.2.0
## ✔ forcats   1.0.1     ✔ stringr   1.6.0
## ✔ ggplot2   4.0.2     ✔ tibble    3.3.1
## ✔ lubridate 1.9.5     ✔ tidyr     1.3.2
## ✔ purrr     1.2.1     
## ── 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 errors
# Load the CSV dataset
data <- read.csv("customer_segmentation.csv")
head(data)
##   ID CS_helpful Recommend Come_again All_Products Profesionalism Limitation
## 1  1          2         2          2            2              2          2
## 2  2          1         2          1            1              1          1
## 3  3          2         1          1            1              1          2
## 4  4          3         3          2            4              1          2
## 5  5          2         1          3            5              2          1
## 6  6          1         1          3            2              1          1
##   Online_grocery delivery Pick_up Find_items other_shops Gender Age Education
## 1              2        3       4          1           2      1   2         2
## 2              2        3       3          1           2      1   2         2
## 3              3        3       2          1           3      1   2         2
## 4              3        3       2          2           2      1   3         5
## 5              2        3       1          2           3      2   4         2
## 6              1        2       1          1           4      1   2         5
# Basic summary
summary(data)
##        ID          CS_helpful      Recommend       Come_again   
##  Min.   : 1.00   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.: 6.25   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :11.50   Median :1.000   Median :1.000   Median :1.000  
##  Mean   :11.50   Mean   :1.591   Mean   :1.318   Mean   :1.455  
##  3rd Qu.:16.75   3rd Qu.:2.000   3rd Qu.:1.000   3rd Qu.:2.000  
##  Max.   :22.00   Max.   :3.000   Max.   :3.000   Max.   :3.000  
##   All_Products   Profesionalism    Limitation  Online_grocery     delivery    
##  Min.   :1.000   Min.   :1.000   Min.   :1.0   Min.   :1.000   Min.   :1.000  
##  1st Qu.:1.250   1st Qu.:1.000   1st Qu.:1.0   1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :1.000   Median :1.0   Median :2.000   Median :3.000  
##  Mean   :2.091   Mean   :1.409   Mean   :1.5   Mean   :2.273   Mean   :2.409  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.0   3rd Qu.:3.000   3rd Qu.:3.000  
##  Max.   :5.000   Max.   :3.000   Max.   :4.0   Max.   :3.000   Max.   :3.000  
##     Pick_up        Find_items     other_shops        Gender     
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.:1.250   1st Qu.:1.000  
##  Median :2.000   Median :1.000   Median :2.000   Median :1.000  
##  Mean   :2.455   Mean   :1.455   Mean   :2.591   Mean   :1.273  
##  3rd Qu.:3.000   3rd Qu.:2.000   3rd Qu.:3.750   3rd Qu.:1.750  
##  Max.   :5.000   Max.   :3.000   Max.   :5.000   Max.   :2.000  
##       Age          Education    
##  Min.   :2.000   Min.   :1.000  
##  1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :2.500  
##  Mean   :2.455   Mean   :3.182  
##  3rd Qu.:3.000   3rd Qu.:5.000  
##  Max.   :4.000   Max.   :5.000
str(data)
## 'data.frame':    22 obs. of  15 variables:
##  $ ID            : int  1 2 3 4 5 6 7 8 9 10 ...
##  $ CS_helpful    : int  2 1 2 3 2 1 2 1 1 1 ...
##  $ Recommend     : int  2 2 1 3 1 1 1 1 1 1 ...
##  $ Come_again    : int  2 1 1 2 3 3 1 1 1 1 ...
##  $ All_Products  : int  2 1 1 4 5 2 2 2 2 1 ...
##  $ Profesionalism: int  2 1 1 1 2 1 2 1 2 1 ...
##  $ Limitation    : int  2 1 2 2 1 1 1 2 1 1 ...
##  $ Online_grocery: int  2 2 3 3 2 1 2 1 2 3 ...
##  $ delivery      : int  3 3 3 3 3 2 2 1 1 2 ...
##  $ Pick_up       : int  4 3 2 2 1 1 2 2 3 2 ...
##  $ Find_items    : int  1 1 1 2 2 1 1 2 1 1 ...
##  $ other_shops   : int  2 2 3 2 3 4 1 4 1 1 ...
##  $ Gender        : int  1 1 1 1 2 1 1 1 2 2 ...
##  $ Age           : int  2 2 2 3 4 2 2 2 2 2 ...
##  $ Education     : int  2 2 2 5 2 5 3 2 1 2 ...
colSums(is.na(data))
##             ID     CS_helpful      Recommend     Come_again   All_Products 
##              0              0              0              0              0 
## Profesionalism     Limitation Online_grocery       delivery        Pick_up 
##              0              0              0              0              0 
##     Find_items    other_shops         Gender            Age      Education 
##              0              0              0              0              0
# Customer Service Helpfulness
ggplot(data, aes(x = CS_helpful)) +
  geom_bar(fill = "blue") +
  theme_minimal() +
  labs(title = "Customer Service Helpfulness Ratings")

# Likelihood to Recommend
ggplot(data, aes(x = Recommend)) +
  geom_bar(fill = "green") +
  theme_minimal() +
  labs(title = "Likelihood to Recommend")

# Likelihood to Return
ggplot(data, aes(x = Come_again)) +
  geom_bar(fill = "purple") +
  theme_minimal() +
  labs(title = "Likelihood to Return")

# Online Grocery vs Delivery
ggplot(data, aes(x = Online_grocery, y = delivery)) +
  geom_point(color = "red") +
  theme_minimal() +
  labs(title = "Online Grocery vs Delivery Ratings")

# Age Distribution
ggplot(data, aes(x = Age)) +
  geom_bar(fill = "orange") +
  theme_minimal() +
  labs(title = "Age Distribution")

# Customer Segmentation
set.seed(123)
data_scaled <- scale(data[, sapply(data, is.numeric)])
kmeans_result <- kmeans(data_scaled, centers = 3)
data$Cluster <- as.factor(kmeans_result$cluster)

ggplot(data, aes(x = Recommend, y = Come_again, color = Cluster)) +
  geom_point(size = 3) +
  theme_minimal() +
  labs(title = "Customer Segments")