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Certificate (Data Science)

[After Work Side Projects] Big Data Analytics Engineer Practical Exam (Task Types 1, 2, 3)

We guide non-majors and beginners to quickly obtain the Big Data Analytics Engineer practical certification! Theory lightly, practice thoroughly - even without complex background knowledge, we focus on learning only the essential points that appear on the exam, centered around past exam questions.

(4.9) 759 reviews

4,861 learners

Level Beginner

Course period 12 months

  • roadmap
빅데이터
빅데이터
빅데이터분석기사
빅데이터분석기사
머신러닝
머신러닝
판다스
판다스
pandas
pandas
자격증
자격증
시험
시험
Engineer Big Data Analysis
Engineer Big Data Analysis
Big Data
Big Data
Python
Python
Pandas
Pandas
Machine Learning(ML)
Machine Learning(ML)
빅데이터
빅데이터
빅데이터분석기사
빅데이터분석기사
머신러닝
머신러닝
판다스
판다스
pandas
pandas
자격증
자격증
시험
시험
Engineer Big Data Analysis
Engineer Big Data Analysis
Big Data
Big Data
Python
Python
Pandas
Pandas
Machine Learning(ML)
Machine Learning(ML)

Reviews from Early Learners

What you will gain after the course

  • Big Data Analytics Engineer Practical Exam Tips: Real-World Know-How for Passing Straight Through with Past Exam Questions

  • Python Basics: Hands-on Practice with Only the Code That Always Appears on Exams

  • Pandas Basics: Hands-on Practice with Only the Essential Features You Need for Data Handling

  • Machine Learning & Statistics Basics: Building and Running Models Right Away Without Complex Explanations

  • Complete Mastery of Past Question Types: A structure where you learn by directly solving all past question types through practice

오뜨 띠배너 (9)

People like these have passed!

💼 Working Professional Success Stories

  • Working professional scored 90 points using only commute time

  • Studied for a week after work and scored 90 points

  • 85 points while working full-time

🔰 Non-Major Success Stories

  • Didn't know the first thing about Python but got 100 points in 3 weeks

  • Knew nothing about coding and couldn't even write an if statement, but scored 90 points

  • Non-CS major, 95 points on first attempt

Extreme Short-term Pass

  • 100 points with 5 days of cramming

  • Passed after studying at 3x speed for 4 days

  • Started 2 weeks before the exam and passed

🔄 Success on Retry

  • Passed with Ddanjit's course after failing 8 times

  • Passed after retaking


  • Passed after Mr. Ddanjit's lectures & consistent practice

While you can self-study for the written exam,
the practical exam is different

The practical exam has limitations with just memorization or conceptual understanding alone. Since you need to process and analyze given data to derive results within a limited time frame, you must learn problem-solving approaches and code writing flows suited for actual practice.

Why did 4,000 people choose this?

For working professionals, job seekers, and others with limited time, as well as non-majors who feel lost about how to study
We provide an enjoyable learning experience with minimal time investment that leads to success and passing.

The optimal roadmap leading to success

We present the path to passing with 1 hour a day, completed in 4 weeks.

Proven by numerous reviews

Q&A

Q. Is it really possible even if I don't know coding?

Yes, it's possible! There are actual cases of people who didn't even know the letter 'P' in Python passing within 3-6 weeks. Knowing just the minimum coding needed for the exam is enough.

Q. I'm a working professional and don't have enough time.

Make the most of your commute time! There's a case where "an office worker with lots of overtime passed with a 90 using only commute time." The average lecture time is 15-20 minutes, so you can utilize spare moments.

Q. I've already taken other courses, do I need to take this one too?

Direction is key! Like the case of "passed with Mr. Ddanjit's lecture after failing," the right learning direction is most important. Prepare thoroughly with our exam-specialized curriculum.

Q. I don't know much about math or statistics. Will that be okay?

You don't need complex theories! We explain only the core concepts that appear on the exam in an easy way. It's designed "so that even non-majors can understand easily."

Q. How many times do I need to go through it?

While it varies by individual, beginners typically pass perfectly after an average of 2 reviews! There are even cases of people "passing after studying at 3x speed for 4 days." However, it's more important to code yourself and encounter errors firsthand.

Q. Are the latest exam trends reflected?

No worries even if exam trends change! We quickly reflect exam trends in our curriculum. You can study with "the latest version whenever you start."

Q. I don't know much about math or statistics. Will I be okay? Is the book necessary?

For systematic organization, we recommend reading the book alongside the course! However, it's not essential, and this course is not designed to supplement the book - the content flow may differ from the book.

Recommended for
these people

Who is this course right for?

  • For those who don't want to postpone the Big Data Analytics Engineer practical exam any longer

  • For those who want to obtain a certification in a short period of time

  • People who feel overwhelmed about where and how to start with Python, Pandas, machine learning, and statistics

  • For those who dislike studying complex theories and want to quickly finish by focusing only on the key points

Hello
This is

6,037

Learners

1,065

Reviews

3,704

Answers

4.9

Rating

5

Courses

Curriculum

All

105 lectures ∙ (22hr 40min)

Course Materials:

Lecture resources
Published: 
Last updated: 

Reviews

All

759 reviews

4.9

759 reviews

  • wonbin08135415님의 프로필 이미지
    wonbin08135415

    Reviews 1

    Average Rating 5.0

    5

    100% enrolled

    Hello. I passed the practical exam in "Non-major + First Exam". I was lucky to pass the written exam because it was mostly about memorization, but when I actually tried to prepare for the practical exam, I was at a loss. I thought that self-study would not work, so while looking for a lecture, I happened to come across Mr. After Work's lecture on YouTube, and I took the lecture through Infraon. What helped me while studying were: 1. Easy explanations that even someone like me who had never touched Python could understand 2. Curriculum structure just for the Big Data Analysis Engineer practical exam (the best) 3. Review using blank notes, Kaggle, etc. 4. Quick feedback on questions Etc. I studied while working, but just listening to the lecture and reviewing was a great help and not difficult. In the actual practical exam, I couldn't solve the 3rd type 2 question that I had never thought about at all, so I turned it in blank (15 points deducted), but I got everything else right and passed with a score of 85 (final result). I am so grateful that I was able to pass the exam and learn the charm of Python through Mr. Afterwork's lecture. Now, I want to continue learning not just by passing the exam, but to acquire more functions of Python that I don't know about and to utilize them more. I hope that it will be helpful to those who are considering taking the course, so I am leaving a review. I sincerely thank you for creating such a great lecture!!

    • roadmap
      Instructor

      I am so touched that you summarized 4 helpful parts. I think it must be the result of studying hard while working hard 😍 I sincerely congratulate you on passing the exam, and there are so many things you can do with Python, so I recommend you take on another challenge before you forget it!! You worked hard 👏👏👏

  • thstmddns님의 프로필 이미지
    thstmddns

    Reviews 11

    Average Rating 5.0

    5

    75% enrolled

    Hello, teacher? I am finally leaving a review. After passing the 7th practical exam with great enthusiasm, I challenged the 8th exam and passed. For the 7th practical exam, I bought a textbook and studied by memorizing all the codes in the textbook. However, on the day of the exam, the codes in my head were all jumbled up and I couldn't use them properly, so I suffered a bitter defeat. When preparing for the 8th re-examination, I took the teacher's lecture. I took the lecture at 3x speed for 4 days. And I studied by solving the materials provided and comparing the source codes every time I took the lecture. Using the tips the teacher gave me during class, I was able to solve the problem in 1 hour on the test day and got 90 points. (I was the first to leave the test room I was in haha) What was helpful about the teacher's lecture was that 1. Consistent writing method can be applied - My previous study method was to memorize the codes in the textbook and blog, so I had to memorize numerous codes for the problem, but through the teacher's lecture, I was able to prepare as a single process to prepare for any problem. 2. Data provision - The data provided are blank spaces and source code colab files. After attending each lecture, I was able to quickly get a feel for it by writing code directly in the blank space file, executing it, and comparing it with the source code file. 3. Task 3 - With the tips given in Task 3, I was able to memorize 3 lines of code and get 20/30 points. 4. Email - The information about the exam that you sent me via email a week before the exam was very helpful (especially the mind map). Thanks to you, I was able to obtain the engineer's license and also develop my skills in AI development, which I am currently working on. Thank you!!!

    • roadmap
      Instructor

      Congratulations on passing :) You watched the lecture at 3x speed and left the room first~~ You seem to be a talented person!! Thank you so much for pointing out the helpful parts and explaining them!! Since you're going into AI, I think I'll see you again at another gathering someday! You worked hard. 💪💪💪

  • appleskim5694님의 프로필 이미지
    appleskim5694

    Reviews 1

    Average Rating 5.0

    5

    100% enrolled

    I finished the course a week before the exam! I wrote the code myself and compared it with the lectures as instructed by the instructor. It was a great learning method! I think it was a good idea to take the course because the instructor answered my questions quickly and in detail! I will adapt by reviewing the lectures and solving Kaggle problems for the next week! If you are thinking about taking the course, I highly recommend it!

    • roadmap
      Instructor

      Thank you for recommending it as a good study method!! I feel like I've grown a lot when I look at Taebum's questions!! I hope you organize the remaining period well and achieve good results.

    • Teacher, I passed with a stable score!! Thank you for everything😄

  • donedone님의 프로필 이미지
    donedone

    Reviews 1

    Average Rating 5.0

    5

    100% enrolled

    Wow.. When I was studying on my own for the first time in the Big Quarter practical exam, there were a lot of things I didn't understand, so I ended up failing. Then I found out about the After-Work Others lecture, so I took it. I didn't have much time because I was studying while working, but I was able to pass on the second try thanks to the recommended coding and various tips! Data analysis is a difficult field, but if you only take the exam, there's no lecture better than this one. Thanks to you, I passed smoothly with a score of 90, so I'm so happy! I'll have to study data more in the future, using Kaggle, etc.

    • roadmap
      Instructor

      90 points! Wow!! Congratulations on passing with a high score. You listened to the lectures on content you didn't understand and improved your skills to this extent!!! You're talented :) 👏👏👏

  • east60508591님의 프로필 이미지
    east60508591

    Reviews 1

    Average Rating 5.0

    5

    100% enrolled

    I passed the practical exam with a score of 95 on my first attempt. Usually, when preparing for other qualifications, I studied using materials floating around on the internet or personal blog materials. However, Big Branch is a newly established qualification, and the type has recently changed, so I was at a loss, but I happened to find this lecture, and although I was skeptical at first, I studied hard with the mindset of just giving it a try. I think you can pass the exam just by listening to the lecture, and if you are anxious, you can go to Kaggle and practice. By the way, the data preprocessing problems posted on Kaggle are more difficult than the exam problems, so don't be discouraged and say you can't solve them. Also, if you have questions during the lecture, you can post them in the [Community], and they will answer them relatively quickly, which was really great. Anyway, I strongly recommend that those preparing for Big Branch practical exams take this lecture. The lecture may seem expensive, but it was really worth the money. Thank you again to the instructor!!

    • roadmap
      Instructor

      I'm glad I can deliver a lecture with high satisfaction!! And I think it will be a great help to others since you also uploaded study tips!! Congratulations on passing, and thank you so much for the specific feedback 😊

$93.50

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