Created
March 13, 2019 17:50
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Example interactive app in R
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| --- | |
| title: "How does your BMI measure up?" | |
| output: flexdashboard::flex_dashboard | |
| runtime: shiny | |
| --- | |
| Inputs {.sidebar} | |
| ------------------------------------- | |
| ```{r} | |
| library(flexdashboard); library(NHANES); library(plotly);library(dplyr) | |
| sliderInput("height", "Height in inches",0,100,72) | |
| sliderInput("weight", "Weight in pounds",0,500,100) | |
| sliderInput("age", "Age in years",0,120,50) | |
| ``` | |
| Column | |
| ------------------------------------- | |
| ### Chart 1 | |
| ```{r} | |
| nhanes = sample_n(NHANES,100) | |
| renderPlotly({ | |
| df = data.frame(bmi = c(nhanes$BMI,input$weight*0.45/(input$height*0.025)^2), | |
| age = c(nhanes$Age,input$age), | |
| who = c(rep("nhanes",100),"you")) | |
| ggplotly(ggplot(df) + | |
| geom_point(aes(x=age,y=bmi,color=who)) + | |
| scale_x_continuous(limits=c(0,90)) + | |
| scale_y_continuous(limits=c(0,60)) + | |
| theme_minimal() | |
| ) | |
| }) | |
| ``` |
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