I have an array that is peppered throughout in random spots with 'nan'. I would like to use 'cumsum', but I want it to reset the accumulation to 0 whenever a 'nan' is encountered. Is there a way to do this? Aside from a loop - which is what I am going to setup here in a moment.<div>
<br></div><div>Kindest regards,</div><div>Tim</div>