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Tags: genomics, pipeline
To implement the clustering of promoter types based on motif frequency and distribution using Python, you can follow these steps:
Import the required libraries:
import pandas as pd
import numpy as np
from sklearn.cluster import KMeans
Prepare your data:
Perform clustering:
# Select features for clustering
features = ['motif_frequency', 'positive_strand_distribution', 'negative_strand_distribution']
# Normalize the features
normalized_data = (data[features] - data[features].min()) / (data[features].max() - data[features].min())
# Apply K-means clustering
kmeans = KMeans(n_clusters=k)
clusters = kmeans.fit_predict(normalized_data)
Analyze the clustering results:
Assign the cluster labels to the original dataset.
data['cluster'] = clusters
Analyze the characteristics of each cluster, such as the average motif frequency and distribution, by grouping the data by cluster labels and calculating the mean values.
cluster_means = data.groupby('cluster')[features].mean()
Visualize the clustering results:
cluster_means.plot(kind='bar')
Remember to adjust the implementation based on your specific dataset and requirements. You may need to preprocess the data or use different clustering algorithms depending on your needs.
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