[R] Date Time in R

[Shivi Bhatia]

Thanks Duncan for the quick response. I will check again as you suggested.
If that doesn't work i will share a reproducible example.

Thanks again!!!!

On Tue, Jul 26, 2016 at 4:43 PM, Duncan Murdoch <murdoch.duncan at gmail.com>
wrote:

> On 26/07/2016 7:05 AM, Shivi Bhatia wrote:
>
>> Hi Team,
>>
>> This scenario may have come across a number of times however i checked
>> nabble & SO and couldn't find a solution hence request assistance.
>>
>> I have a date variable in my data-set eir. The class of this var was
>> character while i had read the file in r studio. Example of date -
>> 05-30-16
>>
>> To change this i have used eir$date<- as.Date(eir$date, "%m-%d-%y"). This
>> converts it to a date variable. However when i check few obs
>> with head(eir$date) all the results are <NA>.
>>
>
> I think you don't have character data like that, because I see
>
> > as.Date("05-30-16", "%m-%d-%y")
> [1] "2016-05-30"
>
> I'd guess eir$date is really a factor, because character data is
> frequently changed to factor automatically.  If that's the case, this
> should work for the conversion:
>
> as.Date(as.character(eir$date), "%m-%d-%y")
>
> If that doesn't work, you'll need to post something reproducible.
>
> Duncan Murdoch
>
> I also need to create weekdays from this date variable but until i get this
>> resolved i cant find a weekday. For weekday i have used:
>> eir$week<- (eir$date)
>> eir$week<- weekdays(as.Date(eir$week))
>> class(eir$week)
>> eir$week<- as.factor(eir$week)
>> head(eir$week)
>>
>> Head of this eir$week results again as expected in <NA> but shows Levels:
>> Friday Monday Saturday Sunday Thursday Tuesday Wednesday
>>
>> Not sure what i should do here. Kindly suggest.
>>
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>>
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>>
>>
>

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