Keyword frequency in popular tech media

Keywords trending in the tech media Sources Gigaom 0.5% The conversation 1% IEEE Spectrum 1.6% Techforge 3.8% Fastcompany 4.2% The Guardian (Tech) 8.3% Arstechnica 8.8% Reuters 9.4% Venturebeat 14.4% ZDNet 15% Gizmodo 15.4% The Register 17.5% Methodology Frequency of appearances for all unigrams and bigrams in the texts Frequency: number of appearances of every term divided by the number of published articles (for every month and source) This measure reveals how many times an expression has been mentioned on average per article Several media sources: a representative index is calculated with weighted average Average monthly change in the analised term's frequency is calculated by OLS regressions The dependent variable of the estimation is the frequency index, while the number of months since the beginning of the analysed period (January 2016) is the independent variable The regression coefficient (referred to as coef) shows by how much on average the analysed expression’s frequency changed with every observed month (marginal change of the frequency), revealing which keywords had the biggest monthly growth Files unigrams: coefs_1weighted_site.csv bigrams: coefs_2weighted_site.cs