Description Usage Arguments Examples
This function scrapes search results from the National Diet Library's digital collection, counts numbers of hits per years, and generates a full times series with 0 values for missing years. The search url is http://dl.ndl.go.jp/
1  | NDL_counter(pattern, start_date, end_date)
 | 
pattern | 
 a string literal or object  | 
start_date | 
 a number for the start year  | 
end_date | 
 a number for year the end year  | 
1  | NDL_counter("x", 1920, 1922)
 | 
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.