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작성자지모 조회 9회 작성일 2021-11-26 22:18:19 댓글 0

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5 Component Preparation


Bix : this was amazing, thank you for the great video!
Md. Walid Akram Hussain : that was very helpful! thanks!
sachdev sirsat : Nice but not mentioned the clearity of what speed to adjust for how many min to cenifuge it
Sadeesh kumar mani : Why we need 1hr gap for platelet Before agitation
Osama Shaheen : great thanks alot

What is Component Testing and it's types?

#12
In this video, I have spoken about component testing and it's various types.
This is also the first testing that we do in V \u0026 V model soon after the developer will give build to test engineer.
I have explained this by taking a various real-time example.
If you really like this video make sure you share this video with your needy(who are looking for a job) friends.
what is software testing?
what is component testing?
what is functional testing?

In this video, I will be able to answer above questions
softwaretestingbymkt
Manish Kumar Tiwari

Derived model in software development life cycle video link
https://www.youtube.com/watch?v=kHn-qpkloBs

Prototype model in software development life cycle video link
https://www.youtube.com/watch?v=30ln8QUGfBM

Spiral model in software development life cycle video link
https://www.youtube.com/watch?v=yt1IXzIlJDY

Verification and Validation in software development life cycle video
https://www.youtube.com/watch?v=SbfCln1cZBo

Hybrid model in software development life cycle video video
https://www.youtube.com/watch?v=KrrcwoE-nC8

Waterfall model in software development video link
https://www.youtube.com/watch?v=5M0wC_i4x1c

Software development life cycle video link
https://www.youtube.com/watch?v=QxoP26bCCcg

What is manual testing, it's advantages and disadvantages video link
https://www.youtube.com/watch?v=QnTSwUGQsso

What is Software testing video link
https://www.youtube.com/watch?v=DKXkyzBV5Hw

I work in IT industry as a Software QA Engineer in Bangalore, India and I have worked on mobile applications, web applications
and API testing.
The main reason behind this channel is to educate people about software testing so that it will helpful for them to choose
right career and also to prepare for their interviews.


Adding my blog link
http://softwaretestingbymkt.blogspot.in

Adding my personal mail Id:
mkumartiwari1710@gmail.com

Adding my Quora profile link here:
https://www.quora.com/profile/Manish-Kumar-Tiwari-11

Adding my Twitter account here,
(@MANISH171094): https://twitter.com/MANISH171094
Lambi : I'm going into testing, really nice video!
Can component testing also be testing that the functionality works or is that more towards unit testing? For example, a button that is pressed to sign in/out
jaya shukla : The way you explain concepts is really nice..
Will it be possible for you to create video covering deep topics which is being asked in interview for lead position..like negative scenarios etc
KEERTHANA GANESAN : Wow sir. What a explanation on each part it really help us to understand everything from basic and way to explain is awesome... Keep on inspiring sir ...
Manjeera Asuri : New subscriber here.. Thank you for explaining in an easy n simple way. Please also guide how to answer questions such as how do you test pen or duster or empty room, I mean how to break the answer into parts or any basic structure to answer such questions. Thank you in advance.. keep inspiring..
Fun2shh Creator : Nice explanation sir, I am QA engineer and preparing for Foundation level ISTQB exam.

StatQuest: Principal Component Analysis (PCA), Step-by-Step

Principal Component Analysis, is one of the most useful data analysis and machine learning methods out there. It can be used to identify patterns in highly complex datasets and it can tell you what variables in your data are the most important. Lastly, it can tell you how accurate your new understanding of the data actually is.

In this video, I go one step at a time through PCA, and the method used to solve it, Singular Value Decomposition. I take it nice and slowly so that the simplicity of the method is revealed and clearly explained.

⭐ NOTE: When I code, I use Kite, a free AI-powered coding assistant that will help you code faster and smarter. The Kite plugin integrates with all the top editors and IDEs to give you smart completions and documentation while you’re typing. I love it! https://www.kite.com/get-kite/?utm_medium=referral\u0026utm_source=youtube\u0026utm_campaign=statquest\u0026utm_content=description-only

There is a minor error at 1:47: Points 5 and 6 are not in the right location

If you are interested in doing PCA in R see:


If you are interested in learning more about how to determine the number of principal components, see:


For a complete index of all the StatQuest videos, check out:
https://statquest.org/video-index/

If you'd like to support StatQuest, please consider...
Patreon: https://www.patreon.com/statquest
...or...
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...buying one or two of my songs (or go large and get a whole album!)
https://joshuastarmer.bandcamp.com/

...or just donating to StatQuest!
https://www.paypal.me/statquest

Lastly, if you want to keep up with me as I research and create new StatQuests, follow me on twitter:
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0:00 Awesome song and introduction
0:30 Conceptual motivation for PCA
3:23 PCA worked out for 2-Dimensional data
5:03 Finding PC1
12:08 Singular vector/value, Eigenvector/value and loading scores defined
12:56 Finding PC2
14:14 Drawing the PCA graph
15:03 Calculating percent variation for each PC and scree plot
16:30 PCA worked out for 3-Dimensional data

#statquest #PCA #ML
Safa Abdeljabbar : For someone who is trying to be a data scientist, this channel is the best thing on the internet. You're better than any other teacher that I've ever had. THANK YOU.
Ed Chavez : I'm studying for a final and this is way better explained than the entire semester.
Dee T : 6 years into my phd and I finally understand how a PCA plot actually works. Thank you!
kush saran : I am a data scientist and have performed PCA using advanced statistical softwares . I have even taken company sponsored expensive MVA courses. THIS is the best explanation of PCA I have seen and cleared my fundamental doubts and missing links. THANK YOU.
Stephanie Chen : uni student day 14 of self-quarantine: the first thing to do in the morning is to watch StatQuest.
Thank you Josh. Your videos help me surviving thru my uni in the time of covid19

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