3D scatterplot

library(plotly)

## Loading required package: ggplot2

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## Attaching package: 'plotly'

## The following object is masked from 'package:ggplot2':
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## The following object is masked from 'package:stats':
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temp <- rnorm(100, mean = 30, sd = 5)
pressure <- rnorm(100)
time <- 1:100
plot_ly(x = temp, y = pressure, z = time, type = "scatter3d", mode = "markers", color = temp)