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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

Is there a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent? ...
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What is the default access modifier in Java? [duplicate]

What is the default access modifier for a method or an instance variable if I do not state it explicitly? 13 Answers ...
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How to get an object's properties in JavaScript / jQuery?

In JavaScript / jQuery, if I alert some object, I get either [object] or [object Object] 7 Answers ...
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浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术

浅析为什么char类型的范围是 -128~+127在C语言中, signed char 类型的范围为-128~127,每本教科书上也这么写,但是没有哪一本书上(包括老师)也不会给你为什么是-128~127,这...在C语言中, signed char 类型的范围为-128~127,每本教科书上...
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How to remove element from array in forEach loop?

I am trying to remove an element in an array in a forEach loop, but am having trouble with the standard solutions I've seen. ...
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Standard alternative to GCC's ##__VA_ARGS__ trick?

There is a well-known problem with empty args for variadic macros in C99. 10 Answers ...
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How to export JavaScript array info to csv (on client side)?

I know there are lot of questions of this nature but I need to do this using JavaScript. I am using Dojo 1.8 and have all the attribute info in array, which looks like this: ...
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How to escape the % (percent) sign in C's printf?

How do you escape the % sign when using printf in C? 13 Answers 13 ...
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Difference between “process.stdout.write” and “console.log” in node.js?

What is the difference between "process.stdout.write" and "console.log" in node.js? 8 Answers ...
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Get last element of Stream/List in a one-liner

How can I get the last element of a stream or list in the following code? 6 Answers 6 ...