R语言查看R包版本

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> package_version(seurat)
Error in package_version(seurat) : object 'seurat' not found
> package_version(Seurat)
Error in package_version(Seurat) : object 'Seurat' not found
> package_version('Seurat')
Error: 版本设定不对‘Seurat’
> packageVersion('Seurat')
[1] ‘4.0.0’
> sessionInfo('Seurat')
R version 4.0.2 (2020-06-22)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)

Matrix products: default

locale:
[1] LC_COLLATE=Chinese (Simplified)_China.936  LC_CTYPE=Chinese (Simplified)_China.936   
[3] LC_MONETARY=Chinese (Simplified)_China.936 LC_NUMERIC=C                              
[5] LC_TIME=Chinese (Simplified)_China.936    

attached base packages:
character(0)

other attached packages:
[1] Seurat_4.0.0

loaded via a namespace (and not attached):
 [1] compiler_4.0.2  graphics_4.0.2  tools_4.0.2     utils_4.0.2     yaml_2.2.1      grDevices_4.0.2 stats_4.0.2    
 [8] datasets_4.0.2  methods_4.0.2   base_4.0.2