There is an R package called elastic that we can use to get data from Elasticsearch.
Click down arrow icon next to project name, then select Manage R Packages menu.
Select install New Packages tab and type elastic in the input field then click Install.
Click plus (+) button next to the Data Frames and select R Script menu.
Type in R script like below by replacing path, user, pwd, port with the proper values.
library('elastic')
conn <- connect(host = "example.sample.com",
es_path = "",
es_user="elastic",
es_pwd = "some_password",
es_port = 9243,
es_transport_schema = "https")
# Search data
Search(conn, index = "plos", size = 1)$hits$hits
Click Run then save if the result looks ok.