add readme

Author: szcf-weiya

README.md

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+# SplitClusterTest.jl 
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+[![](https://img.shields.io/badge/docs-latest-blue.svg)](https://szcf-weiya.github.io/SplitClusterTest.jl/dev)[![codecov](https://codecov.io/gh/szcf-weiya/SplitClusterTest.jl/graph/badge.svg?token=dsRMZFM1q5)](https://codecov.io/gh/szcf-weiya/SplitClusterTest.jl)[![CI](https://github.com/szcf-weiya/SplitClusterTest.jl/actions/workflows/ci.yml/badge.svg)](https://github.com/szcf-weiya/SplitClusterTest.jl/actions/workflows/ci.yml)
+
+Julia package for
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+> Wang, L., Lin, Y., & Zhao, H. (2024). False Discovery Rate Control via Data Splitting for Testing-after-Clustering (arXiv:2410.06451). arXiv. <https://doi.org/10.48550/arXiv.2410.06451>
+>
+
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+## :arrow_right: See also
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+For the comparison between data splitting and data fission, check <https://github.com/szcf-weiya/fission_vs_splitting>.