How do you add labels in R?

How do you add labels in R?

To add the labels, we have text() , the first argument gives the X value of each point, the second argument the Y value (so R knows where to place the text) and the third argument is the corresponding label. The argument pos=1 is there to tell R to draw the label underneath the point; with pos=2 (etc.)

How do you add labels to a graph in R?

Use the title( ) function to add labels to a plot. Many other graphical parameters (such as text size, font, rotation, and color) can also be specified in the title( ) function. # labels 25% smaller than the default and green.

How do I add column labels in R?

Method 1 – Specify all labels

1. Select your R table.
2. In the object inspector, go to Properties > R CODE.
3. To update the table’s column names, add a line to the code like this:
4. To update the table’s row names add a line to the code like this:
5. Add a line with the table_name so the updated table is returned.

How do I show variable labels in R?

Variable labels It’s possible to add a variable label to several columns of a data frame using a named list. To get the variable label, simply call var_label() . To remove a variable label, use NULL . In RStudio, variable labels will be displayed in data viewer.

What is the function of Abline H 5?

The h= and v= forms draw horizontal and vertical lines at the specified coordinates.

How do I make axis labels bold in R?

We can make the axis text font bold by using face=”bold” argument to element_text() function. Note now the both x and y-axis text are in bold font and more clearly visible than the default axis text.

What is Cex lab in R?

description. cex. number indicating the amount by which plotting text and symbols should be scaled relative to the default. 1=default, 1.5 is 50% larger, 0.5 is 50% smaller, etc.

How do I add an AB line in R?

abline() function in R Language is used to add one or more straight lines to a graph. The abline() function can be used to add vertical, horizontal or regression lines to plot. Syntax: abline(a=NULL, b=NULL, h=NULL, v=NULL, …)

What package do you need for Abline in R?

Unlike with some different line types and plotting symbol methods, this one does not require the ggplot2 package, it is part of the default value R install. The abline function can accept several arguments, with defaults of NULL: a – The intercept of the line, as a single value.

How do you use abline in R?

You can use abline in R to add straight lines to a scatter plot, residual plot, ot line plot. What is ab line? It helps you plot a line in R, and with it making lines in R has never been easier. This R function is great for adding cutoffs or similar limits to an existing R plot.

How do you add straight lines to a plot in R?

How to Use abline () in R to Add Straight Lines to Plots The abline () function in R can be used to add one or more straight lines to a plot in R. This function uses the following syntax: abline (a=NULL, b=NULL, h=NULL, v=NULL, …)

What are the arguments of the abline function?

The abline function can accept several arguments, with defaults of NULL: a – The intercept of the line, as a single value b – The slope of a line, as a single value h – the y-value (s) for horizontal line (s) v – the x-value (s) for vertical line (s).

Is it possible to create a legend text or boxplot in R?

You also cannot create any sort of legend text or legend function with this particular abline function, or create different line types like a boxplot. This is one of the default datasets available in R. As you can see, airmiles is a nice basic timeseries data frame.