How To Plot Xbar And R Bar Chart In Excel

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Difference Between X-Bar and R-Chart and How They Are Used An X-Bar and R-Chart are control charts utilized with processes that have subgroup sizes of 2 or more. They are a standardized chart for variables data and help determine if a particular process is predictable and stable. Select 'Xbar-R Chart' from the 'Subgroup Charts' tab. The input screen for the chart is then displayed. The program sets the initial subgroup identifiers and data ranges as well as the subgroup size based on the range you selected on the worksheet.

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A bar chart represents data in rectangular bars with length of the bar proportional to the value of the variable. R uses the function barplot() to create bar charts. Best personal budget software for mac 2018. R can draw both vertical and Horizontal bars in the bar chart.In bar chart each of the bars can be given different colors.

Syntax

The basic syntax to create a bar-chart in R is −

Following is the description of the parameters used −

  • H is a vector or matrix containing numeric values used in bar chart.
  • xlab is the label for x axis.
  • ylab is the label for y axis.
  • main is the title of the bar chart.
  • names.arg is a vector of names appearing under each bar.
  • col is used to give colors to the bars in the graph.

Example

A simple bar chart is created using just the input vector and the name of each bar.

The below script will create and save the bar chart in the current R working directory.

When we execute above code, it produces following result −

How to plot xbar and r bar chart in excel table

Bar Chart Labels, Title and Colors

The features of the bar chart can be expanded by adding more parameters. The main parameter is used to add title. The col parameter is used to add colors to the bars. The args.name is a vector having same number of values as the input vector to describe the meaning of each bar.

Example

The below script will create and save the bar chart in the current R working directory.

When we execute above code, it produces following result −

Group Bar Chart and Stacked Bar Chart

We can create bar chart with groups of bars and stacks in each bar by using a matrix as input values.

More than two variables are represented as a matrix which is used to create the group bar chart and stacked bar chart.