installing imsart
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Out of Bag Error makes CV unnecessary in Random Forests? Why can we apply the $E=hf$ equation for electrons? So in my textbook, it states that the $E=hf$ equation applies to electrons, and all particles, not just photons.   But in order to prove this, wouldn't these particles need to have zero mass, to satisfy $E=pc$ from Einstein's equation?  In Einstein's theory of relativity $E^2= p^2c^2 + m^2c^4$, we get $E=pc$ because we consider the mass to be zero.   For $E=hf$ to work for other particles, don't we need to assume electrons have zero rest mass? Is it possible to use a laptop as an external monitor? I need to create a multi-monitor setup for my desktop computer but I have no additional monitors with me right now, aside from my laptop. Is it possible to use my laptop screen as an external monitor?  Note that I am not trying to connect a monitor to my laptop, rather, I am trying to connect my laptop screen to a desktop video card (if this is possible). Does "a couple" always mean two? How can I multiply each item in an array easily with PHP? How can I program a simple chat bot AI? Vandermonde determinant for order 4 Differences in development between .NET and Mono Is it possible to "hack" a MacBook so as to be able to install macOS Mojave? Display each sub-directory size in a list format using one line command in Bash? I want to get a list of the directories and their sizes in a list format like how you get when you do a ls -l.  The thing is that is there a one line command that can do this? I see others have long commands just to output this. That's just too long.  What command can do this or combination of commands that can be easily typed? du -h gives it, but it displays all of the sub-folders which is not what I want. just the current directories folders. Close and flag links do nothing on mobile site How to Expand , Resize "extended partition"? Can you grapple/shove with the Hunter Ranger's Whirlwind Attack? Why girth of Petersen Graph is five? (Proof) I want to know, what is the mathematical proof that shows the shortest cycle in Petersen Graph has length five? Converge or diverge? : $\sum_{n=1}^{\infty}\frac{\tan{n}}{2^{n}}$ What's this? What is it? but not What's it? - Why? Can anyone give a cogent, simply described explanation of why the verb BE in:  What is it?  ... doesn't seem to be able to be contracted with the subject:  What's it? *  Compare the sentences above with:  What's this? What's that?  These are perfectly fine. In fact, the contractions here should be expected in almost all examples of spoken English. Answers with references to authoritative vetted sources would be greatly appreciated. If I have the following code:  MyClass pClass = new MyClass(); pClass.MyEvent += MyFunction; pClass = null;   Will pClass be garbage collected? Or will it hang around still firing its events whenever they occur? Will I need to do the following in order to allow garbage collection?  MyClass pClass = new MyClass(); pClass.MyEvent += MyFunction; pClass.MyEvent -= MyFunction; pClass = null; What is the music on S3E16 when Todoroki was fighting group of ninjas? How do I install the latest OpenOffice? Split a string with delimiters but keep the delimiters in the result in C#