我目前正在与一个矩阵合作,我想在每个行找到最低正值。
使用应用程序( my.matrix, 1, min) 将无法工作, 因为输出总是 0...
有没有办法找到除0以外的最低值?
我目前正在与一个矩阵合作,我想在每个行找到最低正值。
使用应用程序( my.matrix, 1, min) 将无法工作, 因为输出总是 0...
有没有办法找到除0以外的最低值?
您可以使用匿名功能完成此操作 。
apply(my.matrix, 1, FUN = function(x) {min(x[x > 0])})
改变你的方法对我有好处:
apply(my.matrix, 1, FUN=function(x) {min(x>0)})
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