[R] help regarding converting the available date in "right" date

Suresh_FSFM suresh.ghalsasi at gmail.com
Thu Apr 2 12:25:35 CEST 2009


Dear R users, 

I have a table with say three columns and 70 rows. 
The second column has dates in format dd.mm.yy (i.e. 01.10.07 indicating
record for October 1, 2007). 
I read the text file, containing the records. Now, I want to find out the
weekday for each date. 
However, I cannot do so. 

1) 
If I type result[1,"Date"] to see the Date in the first row, I get following
output: 
70 Levels: 01.10.07 01.11.07 02.10.07 02.12.07.. and so on. 

2) 
If I use any functions related to Date or time, I get the message: character
string is not in a standard unambigious format. 
:-( 

I can understand that first I have to "convert" the existing date format to
such a format that R "recognizes" as date format. However, I am not able to
do so. 

I did try to use format.Date() and as.Date() functions. However, no success. 
I am making some silly mistake. 
Please help. 


Thank you. 

Best Regards, 
Suresh 

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