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R (paquetes (factoextra (componente principales), stringr, funModellng,…
R
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DATAFRAME
AND
DATA TABLE
aggregate
(y~x, data, fun)
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cast
(df, y~x, value, fun)
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GRAFICOS
ggplot
geom_smooth
method = lm, formula = y ~ log(x)
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Data Science
MACHINE LEARNING
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evaluación
Mean Absolute Error
(MAE)
it penalizes huge errors that not as that badly as MSE does. Thus, it’s not that sensitive to outliers
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Mean Squared Error
(MSE)
For each point, it calculates square difference between the predictions and the target and then average those values.
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