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Hi, I have a Windows program that collects data and would like to store this data in a database that is usually accessed through Rails. It was recommended that I try to "POST" the data to the Rails application. I''m running into some problems trying to format my POST string for the application. I''m trying to learn by interfacing to the TODO application (Four Days

...json data converted into a data frame in R. Can anyone provide a basic example or some guidance please? -Rich (revansx) [0] https://www.semantic-mediawiki.org/w/api.php?action=ask&query=[[Category:City]]&format=json<https://www.semantic-mediawiki.org/w/api.php?action=ask&query=%5b%5bCategory:City%5d%5d&format=json> [1] https://www.tutorialspoint.com/r/r_json_files.htm ______________________________________________ R-help at r-project.org<mailto:R-help at r-project.org> mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read...

...hat might be my issue. Is there any way in the json package to tell it to ignore self-signed cert errors in a url? I didn't have that issue when using the link you offered: library(jsonlite) myJSON <- fromJSON( url("https://www.semantic-mediawiki.org/w/api.php?action=ask&query=%5B%5BCategory:City%5D%5D&format=json") ) # results in a complex list (not trivially reducible to a dataframe: str(myJSON) List of 1 $ query:List of 5 ..$ printrequests:'data.frame': 1 obs. of 5 variables: .. ..$ label : chr "" .. ..$ key : chr "" .. ..$ redi :...

...hat might be my issue. Is there any way in the json package to tell it to ignore self-signed cert errors in a url? I didn't have that issue when using the link you offered: library(jsonlite) myJSON <- fromJSON( url("https://www.semantic-mediawiki.org/w/api.php?action=ask&query=%5B%5BCategory:City%5D%5D&format=json") ) # results in a complex list (not trivially reducible to a dataframe: str(myJSON) List of 1 $ query:List of 5 ..$ printrequests:'data.frame': 1 obs. of 5 variables: .. ..$ label : chr "" .. ..$ key : chr "" .. ..$ redi :...

...hat might be my issue. Is there any way in the json package to tell it to ignore self-signed cert errors in a url? I didn't have that issue when using the link you offered: library(jsonlite) myJSON <- fromJSON( url("https://www.semantic-mediawiki.org/w/api.php?action=ask&query=%5B%5BCategory:City%5D%5D&format=json") ) # results in a complex list (not trivially reducible to a dataframe: str(myJSON) List of 1 $ query:List of 5 ..$ printrequests:'data.frame': 1 obs. of 5 variables: .. ..$ label : chr "" .. ..$ key : chr "" .. ..$ redi :...

...there any way in the json package to tell it to ignore self-signed cert errors in a url? > > I didn't have that issue when using the link you offered: > > library(jsonlite) > myJSON <- fromJSON( url("https://www.semantic-mediawiki.org/w/api.php?action=ask&query=%5B%5BCategory:City%5D%5D&format=json") ) > > # results in a complex list (not trivially reducible to a dataframe: > > str(myJSON) > List of 1 > $ query:List of 5 > ..$ printrequests:'data.frame': 1 obs. of 5 variables: > .. ..$ label : chr "" > .. ..$ k...

...e. Is there any way in the json package to tell it to ignore self-signed cert errors in a url? I didn't have that issue when using the link you offered: library(jsonlite) myJSON <- fromJSON( url("https://www.semantic-mediawiki.org/w/api.php?action=ask&query=%5B%5BCategory:City%5D%5D&format=json") ) # results in a complex list (not trivially reducible to a dataframe: str(myJSON) List of 1 $ query:List of 5 ..$ printrequests:'data.frame': 1 obs. of 5 variables: .. ..$ label : chr "" .. ..$ key...

...there any way in the json package to tell it to ignore self-signed cert errors in a url? > > I didn't have that issue when using the link you offered: > > library(jsonlite) > myJSON <- fromJSON( url("https://www.semantic-mediawiki.org/w/api.php?action=ask&query=%5B%5BCategory:City%5D%5D&format=json") ) > > # results in a complex list (not trivially reducible to a dataframe: > > str(myJSON) > List of 1 > $ query:List of 5 > ..$ printrequests:'data.frame': 1 obs. of 5 variables: > .. ..$ label : chr "" > .. ..$ k...

...there any way in the json package to tell it to ignore self-signed cert errors in a url? > > I didn't have that issue when using the link you offered: > > library(jsonlite) > myJSON <- fromJSON( url("https://www.semantic-mediawiki.org/w/api.php?action=ask&query=%5B%5BCategory:City%5D%5D&format=json") ) > > # results in a complex list (not trivially reducible to a dataframe: > > str(myJSON) > List of 1 > $ query:List of 5 > ..$ printrequests:'data.frame': 1 obs. of 5 variables: > .. ..$ label : chr "" > .. ..$ k...

...e json package to tell it to ignore self-signed cert errors in a url? >> >> I didn't have that issue when using the link you offered: >> >> library(jsonlite) >> myJSON <- fromJSON( url("https://www.semantic-mediawiki.org/w/api.php?action=ask&query=%5B%5BCategory:City%5D%5D&format=json") ) >> >> # results in a complex list (not trivially reducible to a dataframe: >> >> str(myJSON) >> List of 1 >> $ query:List of 5 >> ..$ printrequests:'data.frame': 1 obs. of 5 variables: >> .. ..$ label : c...

Hi Rich, Take a look at the function fromJSON found in the rjson package. Note that the Usage in the help page: ?fromJSON names the second argument 'file' but if you look at the description the argument can be a URL. HTH, Eric On Tue, May 8, 2018 at 6:16 PM, Evans, Richard K. (GRC-H000) < richard.k.evans at nasa.gov> wrote: > Hello > > I am able to construct a url that

Hello I am able to construct a url that points to some data online in the JSON format. See an example at [0]. I would like to work with this data as a dataframe in R. I know that there is a package for handling json data [1] but it assumes the data is in a local file but It is not clear to me how to request the data from the web in an R script and get the json data converted into a data frame