1. A method comprising: storing, by a computer device and in a plurality of memory locations in a memory, values relating to a feature of a feature set; subjecting, by the computer device, a string, associated with the feature, to multiple, different hash functions to generate multiple, different hash values; identifying, by the computer device and for each of the multiple, different hash values, a respective memory location, of the plurality of memory locations, in the memory; reading, by the computer device, the values stored at the respective memory locations; performing, by the computer device, an operation on the read values, from the respective memory locations, to obtain updated values, the performing including: identifying a value from the read values, updating the value, and replacing each of the read values with the updated value; and using, by the computer device, the updated values to make a prediction regarding particular data.