R 的 Bag-of-Words 文本探勘
Ted Kwartler
Instructor
dist_rain <- dist(rain[, 2])
# Convert to hierarchical cluster obj hc <- hclust(dist_rain) # Plot dendrogram with city labels plot(hc, labels = rain$city)
# Convert to hierarchical cluster obj hc <- hclust(dist_rain)
# Plot dendrogram with city labels plot(hc, labels = rain$city)
# Load dendextend package library(dendextend) # Convert distance matrix to dendrogram hc <- hclust(tweets_dist) hcd <- as.dendrogram(hc)
# Load dendextend package library(dendextend)
# Convert distance matrix to dendrogram hc <- hclust(tweets_dist) hcd <- as.dendrogram(hc)
# Color branches hcd <- branches_attr_by_labels(hcd, c("marvin", "gaye"), "red") # Plot dendrogram with some aesthetics plot(hcd, main = "Better Dendrogram") rect.dendrogram(hcd, k = 2, border = "grey50")
# Color branches hcd <- branches_attr_by_labels(hcd, c("marvin", "gaye"), "red")
# Plot dendrogram with some aesthetics plot(hcd, main = "Better Dendrogram") rect.dendrogram(hcd, k = 2, border = "grey50")
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