Human resources to use big data, that has to be how big the enterprise, if you want to analyze human resources stuff, you can look at a tool, big data magic mirror, this is a free version of two, one is the cloud platform, one is an offline version of the installation version of the data security concerns, you can try the installation version of that can be disconnected from the network will not be uploaded to the use of your data, visualization, and so on, you can try the installation version of the data security, you can try the installation version of the data security, and so on. The effect of a lot of the free version of the less, but the average person enough to use