Temperature tendency

[admin]

You can use simple IIR filter to calculate average values:

Code:

ALPHA = 0.1 -- between 0 and 1, adjust as needed

function iir_filter(val, avg)
  return val * ALPHA + avg * (1 - ALPHA)
end

avg = 0
for val = 1, 10 do
  avg = iir_filter(val, avg)
end

log(avg)