
Hi,
I begin to learn R from last week. I tried to find out solutions on reading high frequency data from previous posts, still i couldn't find proper answer.
 
My questions are as follows :
 
Q1: I like to read high frequency data using R. ( need step by step guide ^^ )
 
Sample data :
 
Symbol : AAA
Date, Time, Trade
2010-09-05, 10:12:30.456, 101.25
2010-09-05, 10:12:31.111, 101.20
2010-09-05, 10:12:31.231, 101.25
 
 
Symbol : BBB
Date, Time, Trade
2010-09-05, 10:12:30.111, 201.25
2010-09-05, 10:12:31.102, 201.20
2010-09-05, 10:12:31.245, 201.25
 
 
Q2. After reading data, I like to plot 2 symbols on one chart.
To achive this goal, how can i do?
 
 
Thank... in advance

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