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library(plotly)

## Warning: package 'plotly' was built under R version 3.3.2

## Loading required package: ggplot2

## Warning: package 'ggplot2' was built under R version 3.3.2

## 
## Attaching package: 'plotly'

## The following object is masked from 'package:ggplot2':
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##     last_plot

## The following object is masked from 'package:stats':
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##     filter

## The following object is masked from 'package:graphics':
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##     layout

library(scatterplot3d)

## Warning: package 'scatterplot3d' was built under R version 3.3.2

Code for writing 3d plot of mtcars dataset

plot_ly(mtcars, z=~drat, x=~mpg, y =~wt,  mode="markers",type="scatter3d")

## Warning in arrange_impl(.data, dots): '.Random.seed' is not an integer
## vector but of type 'NULL', so ignored