Task: Calculate the intensity of emotion E in the tweet as a decimal value ranging from 0 to 1, with 0 representing the lowest intensity and 1 representing the highest intensity.
Tweet: Mind if I tag along?' She asked cheerfully, sweeping a lock of hair behind her ear. 'I want to see if you've really got • @DitheringWizard
Emotion: joy
Intensity score: 
0.340