据此 (jù cǐ): According to this (adverb) — Meaning & Stroke Order

The engineer carefully analyzed the data and, based on that, proposed an optimization plan.

We tested the new design using simulation software and optimized the product structure based on the results.

The coach analyzed the team's weaknesses and, based on that, treated the symptoms accordingly by devising new tactics.

He not only reviewed the historical memoranda but also authored a detailed analysis report based on them.