Keywords shown above for each month were found by tokenizing news stories,
stemming the tokens and then calculating a term frequency-inverse document frequency score.
Popular Keywords - Months when Price Fell
The word clouds represent words that were popular for each month the price rose/fell from the previous month. The size of the word is relative to the number of times it featured in a news headline during that month.
Popular Keywords - Months when Price Rose
Datasets Used
IMF Primary Commodity Prices - Monthly Data: http://www.imf.org/external/np/res/commod/index.aspx
Daily News for Stock Market Prediction - Kaggle - Dataset created by Aaron7Sun - https://www.kaggle.com/aaron7sun/stocknews
