[scikit-learn] Using text labels in dendrogram

[Mahmood Naderan]

OK. As I checked the documents, I have to fix the labelList line to the
string that I want.

Regards,
Mahmood




On Mon, Dec 14, 2020 at 5:31 PM Mahmood Naderan <mahmood.nt at gmail.com>
wrote:

> Hi
> I use the following code to create a dendrogram from a set of x-y points
>
> import matplotlib.pyplot as plt
> import numpy as np
> from scipy.cluster.hierarchy import dendrogram, linkage
> a = np.array([
> [5.840,-2.339],
> [6.320,-2.665],
> [-1.698,-0.084],
> ],)
> linked = linkage(a, 'single')
> labelList = range(1, 69)
> dendrogram(linked,
>             orientation='top',
>             labels=labelList,
>             distance_sort='descending',
>             show_leaf_counts=True)
> plt.show()
>
> This code automatically assigns labels for the points and the result is
> not sorted. For example, the x-axis labels are 2 1 3.
> I want to assign a text for each point. Then no matter where the point
> goes, I can see the text that I have assigned. For example, I want to see
> PDD, XDD, BDD.
> How can I create a list of text labels and bind that to the array a?
>
> Regards,
> Mahmood
>
>
>
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