Welcome to the MTCars Data Explorer App!
This Shiny app allows users to explore relationships between car attributes like mpg, hp, and wt interactively.
👉 Live App:
https://anuragnoob.shinyapps.io/MtCars_Shiny_Application/
2025-10-30
Welcome to the MTCars Data Explorer App!
This Shiny app allows users to explore relationships between car attributes like mpg, hp, and wt interactively.
👉 Live App:
https://anuragnoob.shinyapps.io/MtCars_Shiny_Application/
The mtcars dataset contains data about fuel consumption and car design specifications for 32 vehicles.
# Display the first few rows of the dataset head(mtcars)
## mpg cyl disp hp drat wt qsec vs am gear carb ## Mazda RX4 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4 ## Mazda RX4 Wag 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4 ## Datsun 710 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1 ## Hornet 4 Drive 21.4 6 258 110 3.08 3.215 19.44 1 0 3 1 ## Hornet Sportabout 18.7 8 360 175 3.15 3.440 17.02 0 0 3 2 ## Valiant 18.1 6 225 105 2.76 3.460 20.22 1 0 3 1
model <- lm(mpg ~ wt + hp, data = mtcars) summary(model)$coefficients
## Estimate Std. Error t value Pr(>|t|) ## (Intercept) 37.22727012 1.59878754 23.284689 2.565459e-20 ## wt -3.87783074 0.63273349 -6.128695 1.119647e-06 ## hp -0.03177295 0.00902971 -3.518712 1.451229e-03
library(shiny)
## Warning: package 'shiny' was built under R version 4.4.3
model <- lm(mpg ~ wt + hp, data = mtcars)
shinyApp(
ui = fluidPage(
titlePanel("MTCARS Predictor Demo"),
sidebarLayout(
sidebarPanel(
sliderInput("wt", "Weight (1000 lbs):", min = 1, max = 6, value = 3),
sliderInput("hp", "Horsepower:", min = 50, max = 350, value = 100)
),
mainPanel(
textOutput("pred")
)
)
),
server = function(input, output) {
output$pred <- renderText({
pred <- predict(model,
newdata = data.frame(wt = input$wt, hp = input$hp))
paste("Predicted MPG =", round(pred, 2))
})
}
)
predict(model, newdata = data.frame(wt = 3, hp = 100))
## 1 ## 22.41648