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Predicting Call Center Performance with Machine Learning

In: Advances in Service Science

Author

Listed:
  • Siqiao Li

    (Vrije Universiteit Amsterdam)

  • Qingchen Wang

    (Vrije Universiteit Amsterdam
    Amsterdam Business School)

  • Ger Koole

    (Vrije Universiteit Amsterdam)

Abstract

In this paper we present a simulation-based machine learning framework to evaluate the performance of call centers having heterogeneous sets of servers and multiple types of demand. We first develop a simulation model for a call center with multi-skill agents and multi-class customers to sample quality of service (QoS) outcomes as measured by service level (SL). We then train a machine learning algorithm on a small number of simulation samples to quickly produce a look-up table of QoS for all candidate schedules. The machine learning algorithm is agnostic to the simulation and only uses information from the staff schedules. This allows our method to generalize across different real-life conditions and scenarios. Through two numerical examples using real-life call center scenarios we show that our method works surprisingly well, with out-of-sample fit (R-squared) of over 0.95 when comparing the machine learning prediction of SL to that of the ground truth from the simulation.

Suggested Citation

  • Siqiao Li & Qingchen Wang & Ger Koole, 2019. "Predicting Call Center Performance with Machine Learning," Springer Proceedings in Business and Economics, in: Hui Yang & Robin Qiu (ed.), Advances in Service Science, pages 193-199, Springer.
    • Handle: RePEc:spr:prbchp:978-3-030-04726-9_19
    DOI: 10.1007/978-3-030-04726-9_19
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