How can I convert a Rmd document to a jupyter notebook

Question

I would like to convert a rmarkdown .Rmd document to a jupyter notebook .ipynb. I found that converting from jupyter to rmd is easy using as described in reference page but for some reason (...) the Rstudio team did not do the other way.

For instance I would like to convert

---
title: "Untitled"
author: "statquant"
date: "03/09/2019"
output: html_document
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```

## R Markdown

This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see <http://rmarkdown.rstudio.com>.

When you click the **Knit** button a document will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this:

```{r cars}
summary(cars)
```

## Including Plots

You can also embed plots, for example:

```{r pressure, echo=FALSE}
plot(pressure)
```

Note that the `echo = FALSE` parameter was added to the code chunk to prevent printing of the R code that generated the plot.

Answer 1

After checking, the silver bullet seems to be jupytext It allows you to convert from or to markdown, rmarkdown, python, ipynb, etc.

This can actually allow you a pretty neat workflow

1. write a simple R script, script.R, that you can spin into a Rmd document
2. use knitr::spin('script.R', knit = FALSE) to transform it to Rmd
3. use jupytext --to notebook script.Rmd to create script.ipynb
4. share or execute the notebook