# Example to train gru4rec model with FedAvg Strategy
This doc introduce how to use PaddleFL to train model with Fl Strategy.
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### Datasets
We use [Rsc15](https://2015.recsyschallenge.com) dataset as our data.
Public Dataset [Rsc15](https://2015.recsyschallenge.com)
```sh
#download data
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### How to work in PaddleFL
PaddleFL has two period , CompileTime and RunTime. In CompileTime, define a federated learning task by fl_master. In RunTime, train a federated learning job by fl_server and fl_trainer .