What is Cex in R plot?

What is Cex in R plot?

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 a title to a plot in R?

Add titles to a plot in R software

1. Change main title and axis labels.
2. title colors.
3. The font style for the text of the titles.
4. Change the font size.
5. Use the title() function.
6. Customize the titles using par() function.
7. Infos.

How do I change axis titles in R?

Key ggplot2 R functions

1. p + xlab(“New X axis label”): Change the X axis label.
2. p + ylab(“New Y axis label”): Change the Y axis label.
3. p + labs(x = “New X axis label”, y = “New Y axis label”): Change both x and y axis labels.

How do you title a plot graph?

Titling the Graph The proper form for a graph title is “y-axis variable vs. x-axis variable.” For example, if you were comparing the the amount of fertilizer to how much a plant grew, the amount of fertilizer would be the independent, or x-axis variable and the growth would be the dependent, or y-axis variable.

What is Cex and PCH in R?

pch : numeric values (from 0 to 25) or character symbols (“+”, “.”, “;”, etc) specifying the point symbols (or shapes). cex : numeric values indicating the point size.

How do I center a title in R?

As pointed out by @J_F, you may add theme(plot. title = element_text(hjust = 0.5)) to center the title.

How do I change the axis on a plot in R?

To change the axis scales on a plot in base R, we can use the xlim() and ylim() functions.

What is Las in R plot?

las – A numeric value indicating the orientation of the tick mark labels and any other text added to a plot after its initialization. The options are as follows: always parallel to the axis (the default, 0), always horizontal (1), always perpendicular to the axis (2), and always vertical (3).

How do I change the position of a title in R?

You can adjust the position of the title with the adj argument, that takes values from 0 (left-justified) to 1 (right-justified). Default value is 0.5. However, if you specify the argument adj inside your plotting function all text will be adjusted. If you only want some texts adjusted use it inside the title function.

Should a graph have a title?

–A title should be placed at the top of the graph if the graph is to be placed in the laboratory notebook. This helps the reader immediately know what the graph is. The title should be a concise description of what is being graphed (e. g., “Pressure as a Function of Temperature for Nitrogen”).