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Alternative formulation for logistic growth initialization

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This commit is contained in:
Ben Letham 2017-07-17 11:13:22 -07:00
parent c836b520ab
commit ff1dbcf38d
2 changed files with 2 additions and 2 deletions
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2
R/R/prophet.R
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@ -600,7 +600,7 @@ logistic_growth_init <- function(df) {
# Initialize the offset
m <- L0 * T / (L0 - L1)
# And the rate
k <- L0 / m
k <- (L0 - L1) / T
return(c(k, m))
}

2
python/fbprophet/forecaster.py
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@ -523,7 +523,7 @@ class Prophet(object):
# Initialize the offset
m = L0 * T / (L0 - L1)
# And the rate
k = L0 / m
k = (L0 - L1) / T
return (k, m)
# fb-block 7