In this blog we use three variables- calories, carbo, and protein from the dataset UScereal in the MASS package  in order to see what sort of relationship among them using scatterplot matrix, a coplot, and a spinning 3-dimensional scatterplot.   Coplot of Multivariate Data Three Dimensional Scatterplot The scallterplot matrix shows that carbo and calories, calories […]

In this blog I have used four graphical methods to graph the annual flow of the river Nile at Ashwan  1871-1970–connected symbol plot, symbol plot , connected plot, and vertical line plot. In this data analysis , since it is not important to see the order  of individual observation in the plot and my objective […]

 The following graphs show the simulated data by R program. The first graph is a scatterplot of the simulated data. This graph has a loess smooth curve with default smoothing parameter f=0.75. In the second graph, the residuals are graphed against  and a loess curve with f=0.75   is superimposed. The loess curve suggests that […]

    In order to construct the dotplot for two ways data table, I have selected some rainfall data from Bangladesh Meteorology Department (BMD) for four big cities –Chittagong, Comilla, Khulna, and Dhaka, over the time period of 1990-2000.   The first graph is the average annual rainfall by some selected cities of Bangladesh in […]