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Edit TP2
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@@ -25,13 +25,13 @@ table(cepages$Origine, cepages$Couleur)
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## Display the table of average Ph according to couleur and average ph
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## Display the table of average Ph according to couleur and average ph
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```{r}
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```{r}
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tapply(cepages$pH, list(Couleur = cepages$Couleur), mean)
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tapply(cepages$pH, list(cepages$Couleur), mean)
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```
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```
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## Display the table of average pH according to couleur and origine
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## Display the table of average pH according to couleur and origine
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```{r}
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```{r}
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tapply(cepages$pH, list(Couleur = cepages$Couleur, Origine = cepages$Origine), mean)
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tapply(cepages$pH, list(cepages$Couleur, cepages$Origine), mean)
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```
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```
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# Question 4 : Regression lines of ph over AcTol for different Color
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# Question 4 : Regression lines of ph over AcTol for different Color
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