我收到以下错误消息
Warning: S3 method 'ggplot.egp3RangeFit' was declared in NAMESPACE
but not found
Error in namespaceExport(ns, exports) :
undefined exports: addVariables, getAggregateData, getBaselines,
getStudyDay
Error: loading failed
Execution halted
ERROR: loading failed for 'i386', 'x64'
我还尝试手动下载zip文件并将其放入我的库中，但也没有。我不确定还有什么可以尝试