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Is there a library function for Root mean square error (RMSE) in python?

... is decreasing. RMSE isn't the most accurate line fitting strategy, total least squares is: Root mean squared error measures the vertical distance between the point and the line, so if your data is shaped like a banana, flat near the bottom and steep near the top, then the RMSE will report greater...
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops

...} matches two consecutive lower case letter a: aa E.g. [a]{1,3} matches at least one and up to three lower case letter a, aa, aaa + Match at least one, or more, of the pattern defined before it. E.g. a+ will match consecutive a's a, aa, aaa, and so on ? Match zero or one of the pa...
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Why should the Gradle Wrapper be committed to VCS?

...nyway you doing it directly! gradle-wrapper.properties: Yes. We need to at least determine Gradle version in this file. gradle-wrapper.jar and gradlew[.bat]: I haven't created or edited them in any of my development works, till this moment! So the answer is "No". If you have done so, the answer is ...
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'and' (boolean) vs '&' (bitwise) - Why difference in behavior with lists vs numpy arrays?

... defining it. numpy On the other leg:-D, numpy arrays are special, or at least they are trying to be. Of course, numpy.array is just a class, it cannot override and in any way, so it does the next best thing: when asked "are you true", numpy.array raises a ValueError, effectively saying "please re...
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val-mutable versus var-immutable in Scala

...our possibilities (val and var, mutable and immutable), this one makes the least sense. I do often use val mutable. – Jim Pivarski Sep 11 '13 at 1:14 3 ...
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How and when to use ‘async’ and ‘await’

...fact that in this example, this is all happening on the same thread (or at least what appears to be the same thread in regards to its SynchronizationContext). By default, await will restore the synchronization context of the original thread that it was running on. For example, in ASP.NET you have an...
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Extract every nth element of a vector

... It is better to use seq.int(1L, length(a), 6L), at least for long vectors – Wojciech Sobala Mar 8 '11 at 20:45 1 ...
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Remove ListView separator(in the xml layout file) [duplicate]

...hich one is the best (I don't even know is there is a best way). I know at least 2 different ways to do this in a ListView: 1. Set divider to null: 1.1. Programmatically yourListView.setDivider(null); 1.2. XML android:divider="@null" (this goes inside your ListView element) 2. Set divider to...
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Differences between Perl and PHP [closed]

...hen one day you will have an a-ha moment and never need it again. Well, at least not until you're more advanced and realize that not only is there more than one way, there is probably a better way, somebody else has probably already done it that better way, and perhaps you should just visit CPAN. P...
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Natural Sort Order in C#

...l and impossible to read. I assume that the benefits of Linq will mean (at least) best average and best-case performance, so I think I'm going to go with it. Despite the lack of clarity. Thanks very much @Matthew Horsley – Ian Grainger Jan 16 '14 at 11:29 ...