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Questions tagged [analysis]

Analysis is the process of searching code, documents, or data to answer a particular question or predict a particular result.

References

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Test Reporting

We are migrating our test report data (unit, regression, integration, etc..) from an XML format to a database format for better analysis. Right now the majority of our test analysis is done using the CruiseControl.NET dashboard, but this is limited…
Adam Driscoll
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Python plot frequency of fft.rfft

this is my first question here on stackoverflow and I hope I will not make huge mistakes. I am analyzing a set of time series with sampling rate of 1 Hz. I need to plot their fourier transform in order to study their spectra. Here it is my piece of…
basetta81
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How are exponents calculated?

I'm trying to determine the asymptotic run-time of one of my algorithms, which uses exponents, but I'm not sure of how exponents are calculated programmatically. I'm specifically looking for the pow() algorithm used for double-precision, floating…
Ryan Fox
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C: Sorting Methods Analysis

I have alot of different sorting algorithms which all have the following signature: void _sort_ints(int * array, const unsigned int ARRAY_LENGTH); Are there any testing suites for sorting which I could use for the purpose of making…
Ande Turner
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Analyze execution time of queries on MySQL database?

I am using a MySQL database with phpMyAdmin as the frontend (I am not sure I have remote/client access yet). I have a script that queries the database and would like to see how long each query takes? What is the easiest way to do this? Could I…
john
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Undefined variable in PHPStan but it's declared elsewhere

How do you deal with these scenarios in PHPStan: Say you're using plain PHP as template engine. E.g., // view.php Say you have 2 files a.php and b.php // a.php $foo = 'bar'; // b.php require 'a.php'; echo…
IMB
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Python natural language processing stop words

I am just doing some research into NLP with Python and I have identified something strange. On review of the following negative tweets: neg_tweets = [('I do not like this car', 'negative'), ('This view is horrible', 'negative'), …
Andrew Daly
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Python signal counter

I have two arrays of data taken from an experiment; x (time) and y (voltage). These are plotted below. Every 200 microseconds, the signal is one of three states: Take a negative value (i.e. < -0.25 V) Take a positive value (i.e. > 0.3 V) Remain at…
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iOS, How to know whether a photo is a screenshot taken by user? How to delete photos in Photos?

In AppStore(China), an App called Tencent Mobile Manager released a series of functions related to photos, including detecting whether a photo is a screenshot taken by user, deleting photos. I got screenshots of this app to demonstrate my question…
LuRui
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Take data from a circle in python

I am looking into how the intensity of a ring changes depending on angle. Here is an example of an image: What I would like to do is take a circle of values from within the center of that doughnut and plot them vs angle. What I'm currently doing is…
arbitraryknowledge
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Expected number of assignments to find maximum value in an array

In the following Java code: int max = arr[0]; for (int i = 0; i < arr.length i++) { if (arr[i] > max) { max = arr[i]; } } How many times does the line max = arr[i]; run assuming that the array is unsorted.
12345webster12345
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Identifying and relating cities from different sources

I have different providers which passes me an excel with different cities, in each city they use some special code for their operations and more data useful to my business. The problem is that I have a mess with all these cities: I have my own…
javier_domenech
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How to analyse a sparse adjacency matrix?

I am researching sparse adjacency matrices where most cells are zeros and some ones here-and-there, each relationship between two cells has a polynomial description that can be very long and their analysis manually time-consuming. My instructor is…
hhh
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C# - Read Nested Event Log From Custom Application

I am using sysmon to capture a bunch of event information (network connections, DLL loads, etc). I want to pull that information and use it for various purposes, but it doesn't seem like there is any way to retrieve the nested logs. They reside…
adamdabb
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Where do you start your design - code, UI, workflow or whatever?

I was discussing this at work, and was wondering where people start their designs? We tend to start with designing code to solve the problem presented to us, but that is probably all of us are (or were) programmers. I was wondering where other…
mmmm
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