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Questions tagged [ioslides]

Use this tag for questions related to ioslides, from R markdown.

To create an presentation from R Markdown you specify the ioslides_presentation output format in the front-matter of your document. You can create a slide show broken up into sections by using the # and ## heading tags (you can also create a new slide without a header using a horizontal rule (----).

as mentioned here, along with some examples.

Note that you are encouraged to use if you are using .

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Gradually reveal bars of barplot in ioslides

I am trying to perform a gradual reveal or build of the bars in my plot within an Rstudio ioslides presentation. How might I display the plot below while hiding the 3rd and 4th bars in one slide before showing the full plot in the next slide? It is…
Joe
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control over the text colors in an ioslides presentation

I am preparing an ioslides presentation. For reasons out of my control, all the text on the title slide needs to be white, and all the subsequent slides need to have white titles. The following CSS fixes everything except the text color for the…
landau
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Is there a way to have previous/next links at the bottom of shiny presentations?

I am working in RStudio and creating a markdown Shiny presentation (which I believe uses IOslides). Currently the generated presentation doesn't have any navigational help, the user has to know they need to use left/right arrows to move to the next…
dividor
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R Ioslides Table Of Content and multiple charts in one slide

```{r, fig.width=8,fig.height=4} ggplot(cer12, aes(reorder(Ciudad,-Impactos), Impactos, fill = Marca)) + geom_bar(stat="identity") + theme_minimal() ggplot(cer13, aes(reorder(Ciudad,-Impactos), Impactos, fill = Marca)) + geom_bar(stat="identity")…
Pablo Ugarte
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Text colour in R markdown ioslides/js. reveal slides

I see from the R Markdown website that the colour of text can be changed like so:
This text is red
But this doesn't seem to work for text formatted with `, like "If in doubt, use ?dplyr::filter", for example. Besides…
RobertMyles
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Hide logo and page number only for scrolling slides in RMarkdown

I produce a deck of ioslides with logo and page number in RStudio with rmarkdown. If the content is to big for a slide I can add slides > slide { overflow: scroll; }to my .css file and supress the logo and page number with slides >…
sammerk
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Dynamic Slide Generation for RMarkdown / ioslides

One of the things I love about RMarkdown / ioslides is how easy it is to dynamically generate content. Is it possible to take this to the next level and dynamically generate slides? For example, let's say we wanted to create a deck using the…
RyanBower
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Specify browser to use for ioslides presentation

I created an ioslides project with shiny runtime in RStudio. For practical reasons, i want to use the browser for presentation instead of RStudio's viewer. Is there a way to specify (e.g. in the markdown document header) which browser to use for…
Martin C. Arnold
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R Markdown ioslides institution name

Is there a way to specify an institution name in ioslides? I know I can specify the title and author in the metadata, --- title: "My presentation" author: Will Landau date: \today --- but I'm having trouble finding how to add an institution or…
landau
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unable to translate '' to a wide string

I am trying to create an ioslides_presentation with R Markdown, but I get the following error: Error in gsub("\\D", "", system2("chcp", stdout = TRUE)) : input string 1 is invalid Calls: -> -> overlay -> gsub Además:…
JORGE ENRIQUE ALBERT SCHLEEF B
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How to place slide title in the center of the page in R Markdown?

I would like to make a slide breaking between two sections by adding a blank slide with a short title in main title format (single #) in the center of it. Is that possible?
Mr Frog
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Leaflet in ioslides_presentation puts unnecessary white space in box to toggle layers. Way to reduce size of box? More help needed

My problem is exactly the same as the problem found here: Leaflet in ioslides_presentation puts unnecessary white space in box to toggle layers. Way to reduce size of box? But I do not know where or how to add the css code to my r document. Many…
AlexaQuinoa
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Presentation logo & background image

I am creating a report using slidy presentation and trying to embed a logo for all the slides and a background image in the first slide (As a cover page). I have been trying for a while now, but unfortunately with no luck. The code I have works…
Sami Khamash
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Isoslides presentation, incremental bullet points for subsections

In an isoslides_presentation, creating incremental (in terms of time: one after another) bullet points can be done by following code: > - point 1 > - point 2 But how do I achieve this for lower hierarchy points? Something like this (both not…
Statistican
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Black ioslides, any ideas?

Does anyone know of a way to diagnose why my ioslides presentation is knitting but returning a series of blank/black. I have no sample data. Just hoping that someone has encountered this issue before. My only guess is that it has to do with the…
Tim Wilcox
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