Commit e468a8b2 by Olivier Michel 💬

### Update notebooks/8_Clustering/N1_Kmeans_basic.ipynb,...

`Update notebooks/8_Clustering/N1_Kmeans_basic.ipynb, notebooks/8_Clustering/N2_KMeans_iris_data_example.ipynb, notebooks/8_Clustering/N3_Kernel_Kmeans_example.ipynb, notebooks/8_Clustering/N4_EM_basic.ipynb, notebooks/8_Clustering/N5_EM_iris_data_example.ipynb files`
parent 8cb65c9f
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 ... ... @@ -54,11 +54,11 @@ ``` %% Cell type:markdown id: tags: ### Exercize - Identify the arrays above wrt to the charateristics of the GMM introduced in th electure - Identify the arrays above wrt to the charateristics of the GMM introduced in the lecture - Explain why different means are initialized, whereas same variances may be used - Comment the line codes below, briefly %% Cell type:code id: tags: ... ... @@ -90,11 +90,12 @@ ``` %% Cell type:markdown id: tags: ### Exercize Below, the plot diplays the 2 Gaussian pdfs involved in the mixture; the mixture distribution to that plot. - What is the array that informs about the labels that should be assigned to each observation? Print an example. - Below, the plot diplays the 2 Gaussian pdfs involved in the mixture; add the mixture distribution to that plot. %% Cell type:code id: tags: ``` python Xt=np.linspace(-2,8,1000) ... ... @@ -196,6 +197,13 @@ %% Cell type:markdown id: tags: ### Exercize - Compare and interpret Kmeans wrt EM; - Interpret the reposability functions resp0 and resp1. - Interpret the responsability functions resp0 and resp1. - Why is EM sometimes interpreted as a "soft-Kmeans" algorithm? What would be the responsability curves for Kmeans? %% Cell type:code id: tags: ``` python ``` ... ...
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