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How to split data into training/testing sets using sample function

...101) # Set Seed so that same sample can be reproduced in future also # Now Selecting 75% of data as sample from total 'n' rows of the data sample <- sample.int(n = nrow(data), size = floor(.75*nrow(data)), replace = F) train <- data[sample, ] test <- data[-sample, ] By using caTools pa...
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git visual diff between branches

...rst click on the tip of branch1. Now right-click on the tip of branch2 and select Diff this->selected. share | improve this answer | follow | ...
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Stop Excel from automatically converting certain text values to dates

...qualifier if you have surrounded your values by quotes In the third page, select every column individually and assign each the type "Text" instead of "General" to stop Excel from messing with your data. Hope this helps you or someone with a similar problem! ...
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Check image width and height before upload with Javascript

... return false; } } else { alert("Please select a valid Image file."); return false; } } share | improve this answer | ...
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The term 'Get-ADUser' is not recognized as the name of a cmdlet

...es & Features. Within Add Roles and Features Wizard, on Features tab, select Remote Server Administration Tools, select - Role Admininistration Tools - Select AD DS and DF LDS Tools. After that, you can see the PS Active Directory package. ...
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IIS Express gives Access Denied error when debugging ASP.NET MVC

...I used Jason's answer but wanted to clarify how to get in to properties. Select project in Solution Explorer F4 to get to properties (different than the right click properties) Change Windows Authentication to Enabled ...
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How to solve “The specified service has been marked for deletion” error

...ing state. The following procedure worked for me: open task manager > select services tab > select the service > right click and select "go to process" > right click on the process and select End process Service should be gone after that ...
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Cannot find Dumpbin.exe

... Search for "command prompt" in the start menu, which brings up a selection of command prompts. Look for "Visual C++" or "Developer Studio" command prompts. – edW Feb 17 '19 at 23:26 ...
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Zooming MKMapView to fit annotation pins?

... I've also found this useful for selecting annotations outside the current visible map area. By default, MapView doesn't select non-visible annotations. Call showAnnotations with an array of your non-visible annotation(s), prior to calling selectAnnotation, ...
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Android Studio suddenly cannot resolve symbols

... 1.) Choose File option from menu on left top side of android studio. 2.) Select the option : "Invalidate Cache/ Restart.." It will open an dialog. 3.) Click on the first button with option : "Invalidate and Restart" 4.) It will close the studio and restart it. Start indexing of the project. It...