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The Quick and Easy Way to Analyze Numpy Arrays

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The quickest and easiest way to analyze NumPy arrays is by using the numpy.array() method. This method allows you to quickly and easily analyze the values contained in a numpy array. This method can also be used to find the sum, mean, standard deviation, max, min, and other useful analysis of the value contained within a numpy array. Sum You can find the sum of Numpy arrays using the np.sum() function.  For example:  import numpy as np  a = np.array([1,2,3,4,5])  b = np.array([6,7,8,9,10])  result = np.sum([a,b])  print(result)  # Output will be 55 Mean You can find the mean of a Numpy array using the np.mean() function. This function takes in an array as an argument and returns the mean of all the values in the array.  For example, the mean of a Numpy array of [1,2,3,4,5] would be  result = np.mean([1,2,3,4,5])  print(result)  #Output: 3.0 Standard Deviation To find the standard deviation of a Numpy array, you can use the NumPy std() function. This function takes in an array as a par
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Telecom Domain Knowledge Useful For a Data Analyst

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Telecom companies provide five kinds of services. Those are Voice, Data, Toll-free, internet, and wireless. The given Telecom domain knowledge helpful for data analysis projects.


Telecom Domain Knowledge

5 Top Telecom Services.

  1. Voice
  2. Toll-free
  3. Data service
  4. Internet
  5. Wireless 

Telecom Domain Knowledge Useful for IT developers, Data Analysts, and Software Testers 

In addition to the above, the latest services are Internet and wireless. Domain knowledge is crucial to design and develop the code.

1. Voice service

This is the standard phone service that you have been using since the first time you called your Grandma to thank her for a birthday present. You need voice service.

2. Toll-free service


A toll-free number is a special-number; that enables calls to come in from anywhere without incurring a charge to the caller. The called party pays a toll tariff for the Call. How much the called party pays for a call depends on the arrangements made with the long-distance carrier. 


If you look at all of your voice calls and find that majority of them are inbound from customers, you could probably benefit from toll-free service.


For many companies, not having a toll-free number is disastrous. If your car breaks down and you have to call for assistance from a payphone, would you rather pay 50 cents to contact the answering machine of a tow truck or taxi company, or would you call for free? If you’re on hold for a couple of minutes on a toll-free call, at least you’re not paying for it.


3. Data services


The term data services usually refer to non-voice communications such as e-mail, text messaging, and fax services that transmit over a private network. In every company, information needs to travel from one side of the office to another side. 

The sales team closes the order and relays it to the order-entry department. The order-entry department logs the order and sends it to the manufacturing department; the manufacturing department builds and tracks the order, and the Shipping department sends the order to the customer. 

4. Internet Service

Every office needs a connection to the Internet to send and receive e-mail when the employees away. Companies use the Internet to research their competitors. Also, use to visit suppliers’ Websites to place orders, review shipments, and request services.

5. Wireless service

Wireless service can encompass all the other categories. The wireless-service;  is a third party service - a different company other than the one that provides your landlines. So you need to view it as a separate telecom service.

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