#*****************************************************************************80
#
## random_scatter draws a scatter plot of random X Y data.
#
#  Licensing:
#
#    This code is distributed under the MIT license. 
#
#  Modified:
#
#    25 August 2020
#
#  Author:
#
#    John Burkardt
#
cat ( date ( ), "\n" )
cat ( "\n" )
cat ( "random_scatter\n" )
cat ( " ", version$version.string, "\n" )
cat ( "  Make a scatterplot of random (X,Y) data." )

filename = "random_data.txt"
xy <- read.table ( filename, header = FALSE )

filename = "random_scatter.png"
png ( filename )
plot ( xy[,1], xy[,2], 
  xlab = "<--- X --->", 
  ylab = "<--- Y --->",
  main = "Scatter Plot of Random XY values",
  col = "blue",
  xlim = c ( 0.0, 1.0 ),
  ylim = c ( 0.0, 1.0 ) )

grid ( )
cat ( '  Graphics saved as "', filename, '"\n' )
#
#  Terminate.
#
cat ( "\n" )
cat ( "random_scatter\n" )
cat ( " Normal end of execution.\n" )

quit ( )