Hi Jeff,
I have calibrated acceleration x/y - axis, as z was already calibrated. I made changes in your raw file and attached it
Do you think this is good correction factor that i did?
This give me accuracy of +/- .01 unit in both the x and y axis.
MPU6050_raw.ino
PS:- Sorry forgot to mentioned this code uses deque to get RMS values for correction.
link:- https://github.com/maniacbug/StandardCplusplus
and add #include<deque>
and use SIZE to make it more smooth.