Guillaume Pressiat | R-bloggers

Trying to reproduce a map of the greater Paris area from APUR with ggplot2, a moment for coloring

January 30, 2022 | Guillaume Pressiat

In 2016, APUR the Paris urbanism agency published a map that described new Greater Paris area, see here. At this time I was interested to reproduce this map in R with official datas/shapefiles and ggplot2. A moment for coloring. I put this code ...

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Using RSelenium to scrape a paginated HTML table

April 12, 2021 | Guillaume Pressiat

Trying to answer this question on stackoverflow about understat.com scraping I was interested to take RSelenium for a spin. Few years ago, Selenium and R weren’t particularly friends (Python+Selenium were more used for instance) but it seems to have changed. Package author and rOpenSci works and documentation ...

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Using RSelenium to scrape a paginated HTML table

April 10, 2021 | Guillaume Pressiat

Trying to answer this question on stackoverflow about understat.com scraping I was interested to take RSelenium for a spin. Few years ago, Selenium and R weren’t particularly friends (Python+Selenium were more used for instance) but it seems to hav...

[Read more...]

Eyes on RT-PCR tests with echarts and french open data — COVID-19

January 30, 2021 | Guillaume Pressiat

Data on COVID-19 screening tests for France ; a shared dashboard with calendar and other heatmaps Link for the app: https://guillaumepressiat.shinyapps.io/covid-si-dep This app download daily csv file from french site data.gouv.fr via its api and...

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Creative commons in the meantime

August 15, 2020 | Guillaume Pressiat

Just a little post about sharing code and skills with the unknown. After posting about covidfrance app, I exchanged with github users wanting to reproduce the app for their country.. I just want to say here that it was really a pleasure to exchan...

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Eyes on PCR tests with french open data — COVID-19

August 15, 2020 | Guillaume Pressiat

Link for the app: https://guillaumepressiat.shinyapps.io/covid-si-dep This app download daily csv file from french site data.gouv.fr via its api and build heatmaps updated with last day data available. ggplot2 with geom_tile to plot heatmaps a...

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Eyes on first wave with french open data — COVID-19

May 21, 2020 | Guillaume Pressiat

Covidfrance app was first developped beginning of April for family, friends (and myself) to automatically know every day how many cases there are in each department where they live, daily along this crisis. This app download daily csv file from french site data.gouv.fr via its api and build ...

[Read more...]

Eyes on first wave with french open data — COVID-19

May 21, 2020 | Guillaume Pressiat

Covidfrance app was first developped beginning of April for family, friends (and myself) to automatically know every day how many cases there are in each department where they live, daily along this crisis. This app download daily csv file from french site data.gouv.fr via its api and build ...

[Read more...]

dplyr and Oracle database with odbc on windows

November 12, 2019 | Guillaume Pressiat

RStudio makes Oracle accessibility from R easier via odbc and connections Pane1. Personally, I find it’s not so easy. As it finally works for me, I will detail some snippets here. After tens of try it seems good to share some tricks2. This blog post is also a notepad ...

[Read more...]

dplyr and Oracle database with odbc on windows

November 12, 2019 | Guillaume Pressiat

RStudio makes Oracle accessibility from R easier via odbc and connections Pane1. Personally, I find it’s not so easy. As it finally works for me, I will detail some snippets here. After tens of try it seems good to share some tricks2. This blog post is also a notepad ...

[Read more...]

A duck. Giving a look at DuckDB since MonetDBLite was removed from CRAN

October 26, 2019 | Guillaume Pressiat

You may know that MonetDBLite was removed from CRAN.DuckDB comming up. Breaking change __ install.packages('MonetDBLite') Warning in install.packages : package ‘MonetDBLite’ is not available (for R version 3.6.1)People who based their works on MonetDBLite may ask what happened, what to do. Not to play a risky game with ... [Read more...]

A duck. Giving a look at DuckDB since MonetDBLite was removed from CRAN

October 26, 2019 | Guillaume Pressiat

You may know that MonetDBLite was removed from CRAN.DuckDB comming up. Breaking change __ install.packages('MonetDBLite') Warning in install.packages : package ‘MonetDBLite’ is not available (for R version 3.6.1)People who based their works on MonetDBLite may ask what happened, what to do. Not to play a risky game with ... [Read more...]

Under Pi : gganimate test around quadrature of the circle

May 2, 2019 | Guillaume Pressiat

An updated look on squaring the circle using gganimate and R code. It gives a geometric and visual construction, a good and practical representation of what Pi is. As n becomes larger, segments become smaller and smaller, Pi can then be se... [Read more...]

Under Pi : gganimate test around quadrature of the circle

May 2, 2019 | Guillaume Pressiat

An updated look on squaring the circle using gganimate and R code. It gives a geometric and visual construction, a good and practical representation of what Pi is. As n becomes larger, segments become smaller and smaller, Pi can then be se... [Read more...]

Strength of a Lennon song exposed with R function glue::glue

March 25, 2019 | Guillaume Pressiat

This post is an actualisation with addendum below. love_verse

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Strength of a Lennon song exposed with R function glue::glue

March 23, 2019 | Guillaume Pressiat

love_verse

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reciproceed : recipe, proceed, reciprocally

March 10, 2019 | Guillaume Pressiat

use R, YAML and bookdown to automate generation of procedure books Context: How to do this thing that only your colleague does when he’s not here? I recently put on github a project that contains a little framework to list procedures in a structu... [Read more...]

reciproceed : recipe, proceed, reciprocally

March 10, 2019 | Guillaume Pressiat

use R, YAML and bookdown to automate generation of procedure books Context: How to do this thing that only your colleague does when he’s not here? I recently put on github a project that contains a little framework to list procedures in a structu... [Read more...]

stringfix : adding transcoder shiny app

February 9, 2019 | Guillaume Pressiat

Adding quotes to a character list Transcoder : Shiny app to tranpose lists to columns (and reciprocally) and formatting tricks Often I have to take a character list or column and put it in a vector, which means before I have to add quote...

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stringfix : adding transcoder shiny app

February 9, 2019 | Guillaume Pressiat

Adding quotes to a character list Transcoder : Shiny app to tranpose lists to columns (and reciprocally) and formatting tricks Often I have to take a character list or column and put it in a vector, which means before I have to add quote...

[Read more...]

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Articles by Guillaume Pressiat

Trying to reproduce a map of the greater Paris area from APUR with ggplot2, a moment for coloring

Using RSelenium to scrape a paginated HTML table

Using RSelenium to scrape a paginated HTML table

Eyes on RT-PCR tests with echarts and french open data — COVID-19

Creative commons in the meantime

Eyes on PCR tests with french open data — COVID-19

Eyes on first wave with french open data — COVID-19

Eyes on first wave with french open data — COVID-19

dplyr and Oracle database with odbc on windows

dplyr and Oracle database with odbc on windows

A duck. Giving a look at DuckDB since MonetDBLite was removed from CRAN

A duck. Giving a look at DuckDB since MonetDBLite was removed from CRAN

Under Pi : gganimate test around quadrature of the circle

Under Pi : gganimate test around quadrature of the circle

Strength of a Lennon song exposed with R function glue::glue

Strength of a Lennon song exposed with R function glue::glue

reciproceed : recipe, proceed, reciprocally

reciproceed : recipe, proceed, reciprocally

stringfix : adding transcoder shiny app

stringfix : adding transcoder shiny app

Articles by Guillaume Pressiat

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