conv2dense(int feature, float weight, int nDims) – Return a dense model in array Platforms: WhereOS,

convert_label(const int|const float) – Convert from -1|1 to 0.0f|1.0f, or from 0.0f|1.0f to -1|1 Platforms:

convert_to_sketch(x) – Truncate a large array of strings, and return a list of strings representing

concat_array(array x1, array x2, ..) – Returns a concatenated array SELECT array_concat(array(1),array(2,3)); [1,2,3] Platforms: WhereOS,

concat_ws(sep, [str | array(str)]+) – Returns the concatenation of the strings separated by `sep`. Platforms:

conditional_emit(a,b) – Emit features of a row according to various conditions Platforms: WhereOS, Spark, Hive