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Word embeddings capture semantic similarities between words. (A) Dimensional reduction using PCA to visualize vectorized representation of a set of words encapsulating disease, age, data type and sex. (B) Corresponding correlation heatmap of the z-scored cosine similarity between words, with hierarchical clustering shown. (C) Same as (A) for data types. (D) Corresponding correlation heatmap of z-scored cosine similarity between words in (C).
