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Tag: dendrogram

How to plot DENDROGRAM in GUI

I am using a GUI from QtDesigner to plot Dendrogram. My code is below, but I can not plot the Dendrogram, how can I fix it? Image of Dendrogram: Answer You have to import the dendrogram from scipy: And then pass it the axes through the ax argument:

Sort pandas DataFrame rows by a list of (index) numbers

I have a pandas DataFrame with 229 rows. I have a list of index numbers ([47, 16, 59, …]) and I want to re-sort the rows of my DataFrame into this order. Details: I ran the DF through a filter (specifically, scipy.cluster.hierarchy.dendrogram, setting get_leaves=True). The return value includes a list of index numbers (leaves) in order of the dendrogram leaf

Dendrogram through scipy given a similarity matrix

I have computed a jaccard similarity matrix with Python. I want to cluster highest similarities to lowest, however, no matter what linkage function I use it produces the same dendrogram! I have a feeling that the function assumes that my matrix is of original data, but I have already computed the first similarity matrix. Is there any way to pass

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