Getting Started: R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS.
How to use R software: Open data file, save as csv format for the R to read the data and then import data from Microsoft Excel into R. You make changes on the working directory on R to the data source. Click Run button to display the TreeMap as HTML in browser and your results will be demonstrate your data beautifully. Example figure is given below:
Interest findings on the proportion of household expenditure, where half of the household expenditure is spend on food, 14% of Household expenditure is on Miscellaneous and 8.5% of household expenditure is on Transport. Around 2.5% of Household expenditure is spend on alcohol, clothing, medical care, and education. And 6.5% is spent on housing, furnishings, recreation and handicrafts.