| get_collocations | get_collocations function | 
| get_terms | get_terms function | 
| get_words | get_words function | 
| hard_thresholding | hard thresholding | 
| news_data | News Data | 
| optimal_alphas | Title optimal alphas function | 
| optimal_factors | Optimal Factors | 
| optimal_number_factors | optimal number of factors function | 
| optimal_x | Optimal x | 
| stock_data | Stock Data | 
| text_forecast | Text Forecast function | 
| text_nowcast | text nowcast | 
| tf_idf | tf-idf function | 
| top_terms | Top Terms Function | 
| tv_dictionary | tv dictionary function | 
| tv_sentiment_index | tv sentiment index function | 
| tv_sentiment_index_all_coefs | TV sentiment index using all positive and negative coefficients. |