## Warning: package 'plotly' was built under R version 3.3.3

## Warning: package 'ggplot2' was built under R version 3.3.3

##   x   random_y
## 1 1  1.3252434
## 2 2  0.1273674
## 3 3  1.0135987
## 4 4  0.7468900
## 5 5  0.7911077
## 6 6 -0.6449751