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k-means and (re?) standardisation of a sub-set
I have data which is customer purchases of items in each of three months:
I have summed the data over the three months for each customer;
calculated the proportion of purchases that each item ...
- 227
2
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1
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Interpreting standardized mean centers in a cluster
I created a $k$-means with 3 clusters. Some of the variables had a big scale, so I used a $z$-score to standardize them. The others (mostly dummies), I left as is.
Now, when I create the table of all ...
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