highlighted_browser {tokenbrowser} | R Documentation |
Convert tokens into full texts in an HTML file with highlighted tokens
highlighted_browser(tokens, value, meta = NULL, col = "yellow", doc_col = "doc_id", token_col = "token", doc_nav = NULL, token_nav = NULL, filename = NULL, span_adjacent = T, ...)
tokens |
A data.frame with a column for document ids (doc_col) and a column for tokens (token_col) |
value |
Either a logical vector or a numeric vector with values between 0 and 1. If a logical vector is used, then tokens with TRUE will be highlighted (with the color specified in pos_col). If a numeric vector is used, the value determines the alpha (transparency), with 0 being fully transparent and 1 being fully colored. |
meta |
A data.frame with a column for document_ids (doc_col). All other columns are added to the browser as document meta |
col |
The color used to highlight |
doc_col |
The name of the document id column |
token_col |
The name of the token column |
doc_nav |
The name of a column in meta, used to set a navigation tag |
token_nav |
Alternative to doc_nav, a column in the tokens, used to set a navigation tag |
filename |
Name of the output file. Default is temp file |
span_adjacent |
If TRUE, include adjacent tokens with identical attributes within the same tag |
... |
Additional formatting arguments passed to create_browser() |
The name of the file where the browser is saved. Can be opened conveniently from within R using browseUrl()
## as an example, highlight words based on word length highlight = nchar(as.character(sotu_data$tokens$token)) highlight = highlight / max(highlight) highlight[highlight < 0.3] = NA url = highlighted_browser(sotu_data$tokens, value = highlight, sotu_data$meta) view_browser(url) ## view browser in the Viewer browseURL(url) ## view browser in default webbrowser