Learning curve

This topic has 3 replies, 2 voices, and was last updated 6 years ago by Ken Garrett.

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October 12, 2019 at 4:42 pm #548928
iza1
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Hi Ken
In the learning curve equation why do we take log r/log 2 ?
And what is the reason for using log 2
October 13, 2019 at 5:20 pm #549019
Ken Garrett
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It’s called Wright’s law and it supposedly works.

Using the formula gives results identical to those obtained from doubling output each time and working out the cumulative average unit curve. However, the formula allows you to fill in the gaps ie output not falling on a doubling point.
October 14, 2019 at 4:28 pm #549514
iza1
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i understood it. but i am very curious to know why log 2 ?
October 14, 2019 at 5:44 pm #549529
Ken Garrett
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No real idea – just the way the maths works and I have never found a derivation. Probably to do with the original formulation which talks of doubling output ie x2.
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