count_min_sketch(col, eps, confidence, seed) – Returns a count-min sketch of a column with the given

covar_pop(expr1, expr2) – Returns the population covariance of a set of number pairs. Platforms: WhereOS,

covar_samp(expr1, expr2) – Returns the sample covariance of a set of number pairs. Platforms: WhereOS,

cosine_distance(ftvec1, ftvec2) – Returns a cosine distance of the given two vectors WITH docs as

cosine_similarity(ftvec1, ftvec2) – Returns a cosine similarity of the given two vectors WITH docs as

cot(expr) – Returns the cotangent of `expr`, as if computed by `1/java.lang.Math.cot`. Platforms: WhereOS, Spark,