```r
library(ggplot2)
summary(faithful)
##    eruptions        waiting    
##  Min.   :1.600   Min.   :43.0  
##  1st Qu.:2.163   1st Qu.:58.0  
##  Median :4.000   Median :76.0  
##  Mean   :3.488   Mean   :70.9  
##  3rd Qu.:4.454   3rd Qu.:82.0  
##  Max.   :5.100   Max.   :96.0
summary(airquality)
##      Ozone           Solar.R           Wind             Temp      
##  Min.   :  1.00   Min.   :  7.0   Min.   : 1.700   Min.   :56.00  
##  1st Qu.: 18.00   1st Qu.:115.8   1st Qu.: 7.400   1st Qu.:72.00  
##  Median : 31.50   Median :205.0   Median : 9.700   Median :79.00  
##  Mean   : 42.13   Mean   :185.9   Mean   : 9.958   Mean   :77.88  
##  3rd Qu.: 63.25   3rd Qu.:258.8   3rd Qu.:11.500   3rd Qu.:85.00  
##  Max.   :168.00   Max.   :334.0   Max.   :20.700   Max.   :97.00  
##  NA's   :37       NA's   :7                                       
##      Month            Day      
##  Min.   :5.000   Min.   : 1.0  
##  1st Qu.:6.000   1st Qu.: 8.0  
##  Median :7.000   Median :16.0  
##  Mean   :6.993   Mean   :15.8  
##  3rd Qu.:8.000   3rd Qu.:23.0  
##  Max.   :9.000   Max.   :31.0  
## 
summary(mtcars)
##       mpg             cyl             disp             hp       
##  Min.   :10.40   Min.   :4.000   Min.   : 71.1   Min.   : 52.0  
##  1st Qu.:15.43   1st Qu.:4.000   1st Qu.:120.8   1st Qu.: 96.5  
##  Median :19.20   Median :6.000   Median :196.3   Median :123.0  
##  Mean   :20.09   Mean   :6.188   Mean   :230.7   Mean   :146.7  
##  3rd Qu.:22.80   3rd Qu.:8.000   3rd Qu.:326.0   3rd Qu.:180.0  
##  Max.   :33.90   Max.   :8.000   Max.   :472.0   Max.   :335.0  
##       drat             wt             qsec             vs        
##  Min.   :2.760   Min.   :1.513   Min.   :14.50   Min.   :0.0000  
##  1st Qu.:3.080   1st Qu.:2.581   1st Qu.:16.89   1st Qu.:0.0000  
##  Median :3.695   Median :3.325   Median :17.71   Median :0.0000  
##  Mean   :3.597   Mean   :3.217   Mean   :17.85   Mean   :0.4375  
##  3rd Qu.:3.920   3rd Qu.:3.610   3rd Qu.:18.90   3rd Qu.:1.0000  
##  Max.   :4.930   Max.   :5.424   Max.   :22.90   Max.   :1.0000  
##        am              gear            carb      
##  Min.   :0.0000   Min.   :3.000   Min.   :1.000  
##  1st Qu.:0.0000   1st Qu.:3.000   1st Qu.:2.000  
##  Median :0.0000   Median :4.000   Median :2.000  
##  Mean   :0.4062   Mean   :3.688   Mean   :2.812  
##  3rd Qu.:1.0000   3rd Qu.:4.000   3rd Qu.:4.000  
##  Max.   :1.0000   Max.   :5.000   Max.   :8.000
summary(iris)
##   Sepal.Length    Sepal.Width     Petal.Length    Petal.Width   
##  Min.   :4.300   Min.   :2.000   Min.   :1.000   Min.   :0.100  
##  1st Qu.:5.100   1st Qu.:2.800   1st Qu.:1.600   1st Qu.:0.300  
##  Median :5.800   Median :3.000   Median :4.350   Median :1.300  
##  Mean   :5.843   Mean   :3.057   Mean   :3.758   Mean   :1.199  
##  3rd Qu.:6.400   3rd Qu.:3.300   3rd Qu.:5.100   3rd Qu.:1.800  
##  Max.   :7.900   Max.   :4.400   Max.   :6.900   Max.   :2.500  
##        Species  
##  setosa    :50  
##  versicolor:50  
##  virginica :50  
##                 
##                 
## 
library(readr)
Assignment5_Data <- read_csv("~/Assignment5_Data.csv")
## Rows: 404 Columns: 9
## ── Column specification ────────────────────────────────────────────────────────
## Delimiter: ","
## chr  (2): STATION, NAME
## dbl  (6): DAPR, MDPR, PRCP, TMAX, TMIN, TOBS
## date (1): DATE
## 
## 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.
summary(Assignment5_Data)
##    STATION              NAME                DATE                 DAPR    
##  Length:404         Length:404         Min.   :2023-01-01   Min.   :2    
##  Class :character   Class :character   1st Qu.:2023-04-29   1st Qu.:2    
##  Mode  :character   Mode  :character   Median :2023-09-04   Median :2    
##                                        Mean   :2023-08-24   Mean   :2    
##                                        3rd Qu.:2023-12-15   3rd Qu.:2    
##                                        Max.   :2024-04-01   Max.   :2    
##                                                             NA's   :403  
##       MDPR           PRCP             TMAX            TMIN            TOBS   
##  Min.   :0.75   Min.   :0.0000   Min.   :60.00   Min.   :44.00   Min.   :44  
##  1st Qu.:0.75   1st Qu.:0.0000   1st Qu.:78.00   1st Qu.:66.00   1st Qu.:70  
##  Median :0.75   Median :0.0000   Median :83.00   Median :72.00   Median :74  
##  Mean   :0.75   Mean   :0.1925   Mean   :83.26   Mean   :70.38   Mean   :73  
##  3rd Qu.:0.75   3rd Qu.:0.0900   3rd Qu.:88.00   3rd Qu.:76.00   3rd Qu.:78  
##  Max.   :0.75   Max.   :8.5800   Max.   :98.00   Max.   :83.00   Max.   :86  
##  NA's   :403    NA's   :3        NA's   :8       NA's   :7       NA's   :6
quantile_value_data <- quantile(Assignment5_Data$TMAX, probs = 0.5, na.rm = TRUE)
cat("\nSecond quantile for TMAX in imported dataset:", quantile_value_data, "\n")
## 
## Second quantile for TMAX in imported dataset: 83
ggplot(iris, aes(x = Sepal.Length, y = Sepal.Width, color = Species)) +
  geom_point() +
  labs(title = "Scatter plot of Sepal Length vs Sepal Width (iris dataset)", x = "Sepal Length", y = "Sepal Width")

library(ggplot2)
ggplot(mtcars, aes(x = wt, y = mpg, color = as.factor(cyl))) +
  geom_point() +
  labs(title = "Scatter plot of Weight vs MPG (mtcars dataset)", x = "Weight", y = "MPG")

ggplot(airquality, aes(x = Temp, y = Ozone, color = Month)) +
  geom_point() +
  labs(title = "Scatter plot of Temperature vs Ozone (airquality dataset)", x = "Temperature", y = "Ozone")
## Warning: Removed 37 rows containing missing values or values outside the scale range
## (`geom_point()`).

ggplot(faithful, aes(x = eruptions, y = waiting)) +
  geom_point() +
  labs(title = "Scatter plot of Eruptions vs Waiting Time (faithful dataset)", x = "Eruption Duration", y = "Waiting Time")

Assignment5_Data <- read_csv("~/Assignment5_Data.csv")
## Rows: 404 Columns: 9
## ── Column specification ────────────────────────────────────────────────────────
## Delimiter: ","
## chr  (2): STATION, NAME
## dbl  (6): DAPR, MDPR, PRCP, TMAX, TMIN, TOBS
## date (1): DATE
## 
## 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.
ggplot(Assignment5_Data, aes(x = DATE, y = TMIN)) +
   geom_point() +
   labs(title = "Temperature Min by Date", x = "DATE", y = "TMIN")
## Warning: Removed 7 rows containing missing values or values outside the scale range
## (`geom_point()`).

plot_types <- c("Scatter", "Scatter", "Scatter", "Scatter", "Scatter")
plot_counts <- table(plot_types)
pie(plot_counts, labels = names(plot_counts), main = "Distribution of Plot Types")