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y_fu
Fluorite | Level 6

After I import the file, there is a column:

 

Start date

28MAR18:13:00:53
28MAR18:13:01:30
02APR18:14:23:14
02APR18:14:23:14

...

 

I want to calculate a new column to convert the column above to seconds, how can I do that?

 

5 REPLIES 5
novinosrin
Tourmaline | Level 20

Is your datetime variable a numeric one just formatted with datetime format or is it a char?

 

If it is formatted, remove the format , you will see the number of seconds since January 1, 1960.

 

Or if you are looking to extract seconds from the datetime value, use  second function

s=second(datetime);
y_fu
Fluorite | Level 6

It is not numeric, it is char. This is the reason I cannot convert them into seconds.

novinosrin
Tourmaline | Level 20

Aah ok,

 

newvar= input(datetime, datetime20.);

will give you numeric datetime value

Kurt_Bremser
Super User

@y_fu wrote:

It is not numeric, it is char. This is the reason I cannot convert them into seconds.


Still better: use the datetime18. informat when reading the external file..

ballardw
Super User

@y_fu wrote:

It is not numeric, it is char. This is the reason I cannot convert them into seconds.


Seconds from when?

 

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