Principal Component Analysis in Python

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1

On the Principal Component Analysis in Python page, the example using the Iris Dataset had code using .ix , which is deprecated.

split data table into data X and class labels y

X = df.ix[:,0:4].values
y = df.ix[:,4].values

How would you rewrite that code using .loc or .iloc?

2

Do you mean this:

x = df.iloc[:,0:3].values
x = df.loc[:,['ColA','ColB','ColC']].values

y = df.iloc[:,3].values
y = df.loc[:,'ColD'].values
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