python bin/scatter.py -f data/texas.txt
	------------------------------------------
	|             x x x x x x                 |
	|             x         x                 |
	|             x         x                 |
	|             x         x x               |
	|             x           x x x x x x x   |
	|             x                 x x x x x |
	|             x                           |
	|             x                           |
	| x x   x   x x                           |
	|   x x                                   |
	|     x x                                 |
	|       x x                               |
	|       x x     x x x                 x x |
	|         x x x     x x               x x |
	|           x x       x           x x x   |
	|                     x x       x x       |
	|                       x     x x         |
	|                       x x   x x         |
	|                         x   x x         |
	|                         x x x x         |
	------------------------------------------


python bin/hist.py data/exp.txt
	461 | o                
	438 | o                
	415 | o                
	392 | o                
	369 | o                
	346 | o                
	323 | o                
	300 | o                
	277 | o                
	254 | o o              
	231 | o o              
	208 | o o              
	185 | o o              
	162 | o o              
	139 | o o              
	116 | o o o            
	93  | o o o            
	70  | o o o o          
	47  | o o o o          
	24  | o o o o o        
	1   | o o o o o o o o  
	     ------------------


python bin/scatter.py -x data/x_test.txt -y data/y_test.txt 
	--------------------------------------------
	|                                     x     |
	|                                           |
	|                             x             |
	|                                           |
	|                                           |
	|                                           |
	|                                           |
	|                                           |
	|                                           |
	|                                           |
	|                         x                 |
	|                                           |
	|                                           |
	|                                           |
	|           x                               |
	|                                           |
	|                                           |
	|       x                                   |
	|                                           |
	| x             x                 x         |
	--------------------------------------------