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How to create a bar chart using plotly in R?
Plotly in R is a package specifically designed to create highly-interactive and publication-quality charts. The chart can be created by using plot_ly function of the package and there are three main arguments of plot_ly defined as x, y, and type, where x refers to the X-axis, y refers to the Y-axis and type refers to the chart type but the axes values are stored in a data frame or itself a shared.
Example
Loading plotly package:
> library(plotly)
Consider the below data frame:
> x<-c("A","B","C","D")
> count<-c(321,324,320,328)
> df<-data.frame(x,count)
> dfOutput
x count 1 A 321 2 B 324 3 C 320 4 D 328
Creating the bar plot for x:
> plot_ly(x=x,y=count,type='bar')
Output
Warning message:
`arrange_()` is deprecated as of dplyr 0.7.0. Please use `arrange()` instead. See vignette('programming') for more help This warning is displayed once every 8 hours. Call `lifecycle::last_warnings()` to see where this warning was generated.
Here it is showing a warning but it is not related to our chart hence there is no problem in ignoring it.
Output:
If we want to create the chart with main title and axes titles then we need to store it in an object and then use the layout function as shown below:
Example
> Bar<-plot_ly(x=x,y=count,type='bar') > layout(Bar,title="Bar chart",xaxis=list(title="Groups"),yaxis=list(title="Count"))
Output:
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