So how do you explain the many times in which the media trumpets news stories that benefit the Republicans that don't hold up? Judith Miller's reporting on the lead-up to the Iraq War, reporting on leaks from the Democrats of dubious news-worthiness (like John Podesta's risotto recipe).
If you want a chart, look at this chart of the most common words associated with each candidate in 2016: https://www.businessinsider.com/gallup-candidate-word-clouds...
That's as clear an example of media bias in favor of the Republicans as you can wish for.