Twitter API Question posted in
The official Twitter API documentation can be found here.

Setting Date using TwitterR Search – Twitter API

Since the free Twitter API only allows you to search the last 7 days worth of data I am trying to automatically set the dates for those 7 days. When I leave the date fields blank I get random historical tweets. 

#### Pepsi 

#Dates for API 
s <- as.Date(Sys.Date()-7, format = "%Y/%m/%d") 
e <- as.Date(Sys.Date(), format = "%Y/%m/%d") 

#Pepsi Twitter Data 
pepsitweet <- searchTwitter("Pepsi",n=1000,lang="en", since = "s", until = "e") 
tweets1 <- twListToDF(pepsitweet)

Error

1000 tweets were requested but the API can only return 0

Error in as.POSIXlt.character(x, tz, …) :
character string is not in a standard unambiguous format

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2

Answers


  1. 0

    Don’t put quotes around the variables s and e. R is interpreting them as strings.

    pepsitweet <- searchTwitter("Pepsi", n = 1000, lang = "en", since = s, until = e)
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  2. 0

    You might also want to check out Mike Kearney’s rtweet package, which seems to be much smoother than twitteR: https://cran.r-project.org/web/packages/rtweet/vignettes/intro.html

    I’ve had a cron job mining tweets on a daily basis since November and it’s performed beautifully.

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