Then I can write x = -0.5170835 and y = -1.5191392.The basic syntax outlined in the original Markdown design document added many of the elements needed on a day-to-day basis, but it wasn’t enough for some people. I would first write the following code chunk: x <- rnorm(1) For example, I want to randomly generate two numbers, x and y, and include their values in a sentence. # Inline Text Computations You can also include the otput of your code in the middle of a sentence. When you are done, knit your file and look at the ouput. # Plots Assessment: create a code chunk that makes a scatterplot of temperature and pressure. Note that both the code written and output produced are shown in the final document. # 6 100 0.2700 summary(pressure) # temperature pressure Clicking the Add Chunk button in the tool bar Let’s start with the built-in data set pressure, which includes data on the vapor pressure of Mercury as a function of temperature.The keyboard shortcut Ctrl + Alt + I (OS X: Cmd + Option + I).Typing ``` to start a code chunk and then ``` to end a code chunk.Here’s an example: the first reference tag is called “First Father”, and links to the second image links out to. At the bottom of your Markdown page, you’ll define an image for the tag. You’ll precede the Markdown with an exclamation point, then provide two brackets for the alt text, and then two more for the image tag. (Alt text is a phrase or sentence that describes the image for the visually impaired.)įor example, to create an inline image link to, with an alt text that says, Benjamin Bannekat, you’d write this in Markdown:Īlthough you don’t need to add alt text, it will make your content accessible to your audience, including people who are visually impaired, use screen readers, or do not have high speed internet connections.įor a reference image, you’ll follow the same pattern as a reference link. To create an inline image link, enter an exclamation point ( !), wrap the alt text in brackets ( ), and then wrap the link in parenthesis ( ( )). The first image style is called an inline image link. The difference between links and images is that images are prefaced with an exclamation point ( !). Images also have two styles, just like links, and both of them render the exact same way. If you know how to create links in Markdown, you can create images, too. You define them by providing the same tag name wrapped in brackets, followed by a colon, followed by the link. Reference links don’t appear in the rendered Markdown. For example, if we decide to make all of the another place links go somewhere else, we only have to change the single reference link. An advantage of the reference link style is that multiple links to the same place only need to be updated once. At the bottom of a Markdown document, these brackets are defined as proper links to outside websites. The “references” above are the second set of brackets: another place and another link. As the name implies, the link is actually a reference to another place in the document. The other link type is called a reference link. For example, to create a hyperlink to with a link text that says, Visit GitHub!, you’d write this in Markdown: Visit GitHub!. To create an inline link, you wrap the link text in brackets ( ), and then you wrap the link in parenthesis ( ( )). The first link style is called an inline link. There are two different link types in Markdown, but both of them render the exact same way.
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