ในวิชา "วิทยาการคำนวณ" ระดับชั้น ม. 5
ได้ดึงวิชา data science (วิทยาศาสตร์ข้อมูล)
มาปูพื้นฐานให้เด็กๆ ได้เรียนกันแล้ว นับว่าเป็นโชคดี
เพราะวิชาพวกนี้เป็นของสูง กว่าจะสัมผัสก็คงตอนป.ตรี โท เอก
...Continue ReadingIn the subject of ′′ Calculation Theology ′′ class. 5
Pulled data science (data science)
Let's master the foundation for kids to learn. It's considered lucky.
Because these subjects are high to touch. It's probably in the middle of the year. Tri To Aek
Which I will review the content to read roughly. The content is divided into 4 chapters.
.
👉 ++++ Chapter 1-Information is valuable +++++
.
Data science in the textbook. Used by Thai name as ′′ Information Science ′′
This chapter will mention Big Data or big data with lots of valuable information.
And so much role in this 4.0 s both public and private sector.
.
If you can't imagine when you played Google search network, you'll find a lot of information that you can use in our business. This is why data science plays a very important role.
.
It's not surprising that it makes the Data Scientist s' career (British name data scientist) play the most important role and charming and interesting profession of the 21th century.
.
Data science, if in the book, he defines it
′′ Study of the process, method or technique to process enormous amounts of data to process to obtain knowledge, understand phenomena, or interpret prediction or prediction, find out patterns or trends from information.
and can be analysed to advise the right choice or take decision for maximum benefit
.
For Data science work, he will have the following steps.
- Questioning my own interest.
- Collect information.
- Data Survey
- Data Analysis (analyze the data)
- Communication and Results Visualization (Communicate and visualize the results)
.
🤔 Also he talks about design thinking... but what is it?
Must say the job of a data scientist
It doesn't end just taking the data we analyzed.
Let's show people how to understand.
.
The application design process is still required.
To use data from our analytics
The word design thinking is the idea. The more good designer it is.
Which Data Scientists Should Have To Design Final Applications
Will meet user demand
.
👉 ++++ Chapter 2 Collection and Exploration +++++
.
This chapter is just going to base.
2.1 Collection of data
In this chapter, I will talk about information that is a virtual thing.
We need to use this internet.
2.2 Data preparation (data preparation)
Content will be available.
- Data Cleaning (data cleansing)
- Data Transformation (data transformation)
In the university. 5 is not much but if in college level, you will find advanced technique like PCA.
- Info Link (combining data)
2.3 Data Exploration (data exploration)
Speaking of using graphs, let's explore the information e
Histogram graph. Box plot diagram (box plot). Distributed diagram (scatter plot)
With an example of programming, pulls out the plot to graph from csv (or xls) file.
2.4 Personal Information
For this topic, if a data scientist is implementing personal data, it must be kept secret.
.
Where the issues of personal information are now available. Personal Data Protection is Done
.
.
👉 ++++ Chapter 3 Data Analysis ++++
.
Divided into 2 parts:
.
3.1 descriptive analysis (descriptive analytics)
Analyzing using the numbers we've studied since
- Proportion or percentage
- Medium measurement of data, average, popular base.
Correlation (Correlation) relationship with programming is easy.
.
.
3.2 predictive analysis (predictive analytics)
.
- numeric prediction is discussed. (numeric prediction)
- Speaking of technique linear regression, a straight line equation that will predict future information.
Including sum of squared errors
Let's see if the straight line graph is fit with the information. (with programming samples)
- Finally mentioned K-NN (K-Nearest Neighbors: K-NN) is the closest way to finding K-N-Neighborhood for classification (Category)
*** Note *****
linear regression กับ K-NN
This is also an algorithm. One of the machine learning (machine learning, one branch of AI)
Kids in the middle of the day, I get to study.
.
.
👉 +++ Chapter 4 Making information pictured and communicating with information +++
.
This chapter doesn't matter much. Think about the scientist after analyzing what data is done. The end is showing it to other people by doing data visualization. (Better summoning)
.
In contents, it's for example using a stick chart, line chart, circular chart, distribution plan.
.
The last thing I can't do is tell a story from information (data story telling) with a message. Be careful when you present information.
.
.
.
*** this note ***
😗 Program language which textbooks mentioned and for example.
It's also python and R language
.
For R language, many people may not be familiar.
The IT graduate may be more familiar with Python.
But anyone from the record line will surely be familiar.
Because R language is very popular in statistical line
And it can be used in data science. Easy and popular. Python
.
But if people from data science move to another line of AI
It's deep learning (deep learning)
Python will be popular with eating.
.
.
#########
😓 Ending. Even I wrote a review myself, I still feel that.
- The university. 5 is it going to be hard? Can a child imagine? What did she do?
- Or was it right that I packed this course into Big Data era?
You can comment.
.
But for sure, both parents and teachers are tired.
Because it's a new content. It's real.
Keep fighting. Thai kids 4.0
.
Note in the review section of the university's textbook. 4 There will be 3 chapters. Read at.
https://www.facebook.com/programmerthai/photos/a.1406027003020480/2403432436613260/?type=3&theater
.
++++++++++++++++++++
Before leaving, let's ask for publicity.
++++++++++++++++++++
Recommend the book ′′ Artificial Intelligence (AI) is not difficult ′′
It can be understood by the number. End of book 1 (Thai language content)
Best seller ranked
In the MEB computer book category.
.
The contents will describe Artificial Intelligence (A) in view of the number. The end.
Without a code of dizzy
With colorful illustrations to see, easy to read.
.
If you are interested, you can order.
👉 https://www.mebmarket.com/web/index.php?action=BookDetails&data=YToyOntzOjc6InVzZXJfaWQiO3M6NzoiMTcyNTQ4MyI7czo3OiJib29rX2lkIjtzOjY6IjEwODI0NiI7fQ&fbclid=IwAR11zxJea0OnJy5tbfIlSxo4UQmsemh_8TuBF0ddjJQzzliMFFoFz1AtTo4
.
Personal like the book. You can see this link.
👉 https://www.dropbox.com/s/fg8l38hc0k9b0md/chapter_example.pdf?dl=0
.
Sorry, paper book. I don't have it yet. Sorry.
.
✍ Written by Thai programmer thai progammerTranslated
learn python the hard way 在 紀老師程式教學網 Facebook 的精選貼文
開發板 CPU 效能跑分與免費電子書
很怪的題目,對吧?哈哈!其實我是想把三篇相關的文章寫成一篇、但不知道下什麼標題好,最後就變成這樣了!今天要跟各位介紹的,是「樹莓派B+二代 vs. 樹莓派B+一代 vs. BeagleBone(註1)」的 CPU (註2)跑分比較,以及免費贈送各位樹莓派與 Python 兩本電子書啦~
有志於「嵌入式程式設計 (註3)」的朋友,第一個問題常會問:我該挑選哪一塊開發板?關於開發板挑選的簡單準則,各位可以參考這篇文章: http://goo.gl/T0exJO 。今天則會介紹最近很火紅的兩塊開發板的跑分結果:樹莓派(Raspberry Pi)與 BeagleBone。
其中「樹莓派」已經出到第二代了。我在這個版上也分享過: http://goo.gl/aBL2RL 與 http://goo.gl/HZCPCV 。所以作者就把「樹莓派B+二代」、「樹莓派B+一代」、與「BeagleBone」拿來一起針對 CPU 跑分了。結果很明顯,「樹莓派B+二代」大勝。除了它是 ARM Cortex A7 四核心的 CPU,記憶體也加到 1GB。比其它兩塊板子硬是強上許多。結果如下:
http://blog.initialstate.com/pi-2-vs-b-vs-beaglebone/
如果您也想買塊開發板來玩玩,該買哪一塊呢?以發文的時間點,我會比較推薦「樹莓派B+二代」。除了剛剛說的效能比較好外,「樹莓派」能找到的書籍與參考資料也比較多。如果您不知道該在樹莓派上面做哪些專案,這裡有免費電子書給各位參考:
http://info.initialstate.com/raspberry-pi-project-ideas
什麼?還要提供 E-mail?這麼殘忍的事情紀老師也做得出來?呼呼呼~像我這麼仁慈的人,當然是已經把它下載在另外的地方,讓想要的朋友可以免費取得囉!那就請前往我為各位粉絲們準備的特別網址:
https://app.box.com/s/m8v7n896ln29zq7rvwd43k4zpdetnz15
點擊後可以預覽,按下右上角的「下載」鈕,就能下載。那就...請慢慢享受~ :-D
順便跟大家講一個八卦...大家知道「樹莓派」的英文「Raspberry Pi」,裡面那個「Pi」是怎麼來的嗎?原來樹莓派之父 Eben Upton 想替樹莓派挑一個簡單容易上手的語言,後來挑中 Python。所以本來樹莓派的英文想叫「Raspberry Py」的,後來大家覺得不好記,乾脆就改成同音的「Pi」、就成了「Raspberry Pi」了。想對 Python 如何用於 Raspberry Pi 上有個瞭解,可以參考 O'Reilly 這本免費電子書:
http://goo.gl/VUJrU0
當然,我也幫大家準備了「粉絲專用傳送門」... XD 讓你不用留 Email 就能拿到這本書。傳送門如下:
http://goo.gl/7eViXB
有三種格式:ePub、mobi(Amazon Kindle)、PDF。您只要任挑一個下載就行了!這本書沒提到 Python 如何學,只提到 Python 如何用於 Raspberry Pi 與教育用途上。想學 Python 語法的,我還是推薦前幾天我介紹的「Learn Python the Hard Way」這本電子書:
- Learn Python the Hard Way
英文: http://learnpythonthehardway.org/book/
簡中: http://goo.gl/t7O3V5
啥?你不知道什麼「樹莓派」是什麼?早說嘛!這帖「大力丸」拿去補一補... XD
http://life-of-raspberrypi.blogspot.tw/
希望今天的分享大家會喜歡!麻煩幫小弟分享給您的朋友、或是按讚鼓勵一下喔~~ m(^ ^)m
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註1: BeagleBone 俗稱「狗骨頭」,是用德州儀器製作的 CPU 做出來的開發板。價格跟樹莓派一樣不貴,台灣許多電子商場或網路商店有賣,一塊大約 NT$2000 上下。
註2: 這邊所說的 CPU,比較正確的稱呼應該叫做 SoC(System on Chip,系統單晶片)。SoC 是把桌機上整塊電路板重要元件,全部濃縮成一塊晶片的大小。在攜帶式設備的電路板上,常用這樣的設計。CPU 只是 SoC 內部的一小塊單元而已。這邊為了讓不瞭解的朋友容易懂,故用 CPU 稱呼之。想對 SoC 有更進一步瞭解的朋友,請參考這篇文章:
http://blog.teacherchi.tw/blog/2010/07/06/what-is-soc/
註3: 對於嵌入式系統不瞭解的朋友,可以參考這兩篇文章:
* 什麼是嵌入式系統: http://goo.gl/1wB40n
* 為何嵌入式系統要叫「嵌入式」?: http://goo.gl/I8XqJF
learn python the hard way 在 紀老師程式教學網 Facebook 的最佳貼文
[好站介紹] 五個學習程式設計的教學網站
5/1 勞動節快樂!
前幾天連續介紹了一些影音教學網站:「CodeRibbit」、「The New Boston」跟「Wap2Learn」,不知道大家看了覺得如何呢?今天要跟大家介紹的,是我在國外網站逛到的一篇報導,介紹了幾個作者覺得不錯的程式設計教學網站。其中有幾個網站我也很愛!也還沒在這個粉絲頁介紹,就借花獻佛,把原文簡單翻譯一下,分享給大家。
首先給大家看一下原文連結:
"Best websites to learn Programming"
http://www.technotification.com/2014/05/best-websites-to-learn-programming.html
鑑於並非每個人閱讀英文都沒啥困難,所以小弟就「簡單」(原諒我的懶惰... :-P)翻譯一下,希望對大家有幫助。該篇文章介紹的五個網站如下:
1. The New Boston
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http://www.thenewboston.org
* 性質:影音教學網站
* 內容:C, C++, HTML, Javascript...等電腦語言
* 難易度:簡單
來了來了!果然英雄所見略同!The New Boston 果然在國外鄉民的眼中是第一名啊~~ 這個網站我已經在前天的文章介紹過,所以這裡就省略了!想回味一下的網友,可以點擊底下的連結:
http://on.fb.me/1GnYM3M
2. Codecademy
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英文: http://www.codecademy.com
簡中: http://www.codecademy.com/zh/
* 性質:實作型教學網站
* 內容:著重網頁設計。包含:HTML, Javascript, CSS, Python, Ruby, PHP
* 難易度:簡單
Codecademy 大約在 2011 年竄起。由於它透過實作的方式教會大家寫程式,不僅少見,也備受眾程式講師推崇。這部分國內有報導,就讓我借用一下:
T 客邦:「Codecademy 讓你一年內學會寫程式,或許能賺更多錢」
http://www.techbang.com/posts/8212-codecademy-makes-you-a-year-to-learn-about-programming
看完相信各位對 Codecademy 應該就有基本認識了。原文沒有「簡中」的網址,我幫各位補上了。目前還沒有繁中網站,不過我想台灣或香港的朋友,看簡體字應該還應付得過去才是。
3. Learn Code The Hard Way
---------------------------
http://learncodethehardway.org
* 性質:電子書、影音教學
* 內容:Python, Ruby, C, Regex(Regular Expression), SQL...。
* 難易度:簡單
這個網站的電子書比它的影音教學出名十幾倍!主要是它的影音教學要錢(一門課約 US$30 左右,也不多就是了),但電子書免費。偏偏它的電子書寫得超好!還被很多人翻譯成各國語言。所以想省錢的可以看它的電子書。如果英文聽力夠好,想聽影音教學,可以付個 US$30 左右試試看。
其實這個網站小弟也在 2012/02/16 於本版介紹過。只不過年代久遠,大家可能忘了。我貼一下當時的連結給大家參考:
http://goo.gl/arYJlD
為了大家方便,若某一版本有簡中或繁中版的,我直接把該網站的電子書連結附在下方,希望對大家有幫助。沒有中文版的,有可能是我才疏學淺找不到,或者該項目太冷門,沒有人翻譯(看到小弟這麼努力,是不是來點虛榮心、幫忙轉寄按個讚咧?哈哈哈~):
- Learn Python the Hard Way
英文: http://learnpythonthehardway.org/book/
簡中: http://goo.gl/t7O3V5
- Learn Ruby the Hard Way
英文: http://learnrubythehardway.org/book/
繁中: http://lrthw.github.io/
- Learn C the Hard Way
英文: http://c.learncodethehardway.org/book/
簡中: http://goo.gl/IujZJk (尚未翻譯完成,有找到完整版的麻煩補一下連結 m(- -)m )
- Learn Regex the Hard Way
英文: http://regex.learncodethehardway.org/book/
- Learn SQL the Hard Way
英文: http://sql.learncodethehardway.org/book/
4. WiBit.Net
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https://www.wibit.net
* 性質:影音教學
* 內容:程式入門、物件導向基礎、C/C++、Objective-C、Java、C#、Python、與腳本語言。
* 難易度:簡單
一句話描述這個網站:「程式初學者的可愛風學習網站」!主頁用許多可愛的圖片,來代表每一門課程。該網站是兩位程式師,以對談聊天的方式(這種錄影腳本比獨白難寫多了... :-P),介紹 C/C++、Objective-C、Java、C#...等課程。而且...完全免費!可愛這種東西用講的很難形容,不妨大家點點看他們的網址,就知道我的意思了!
5. W3School
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http://www.w3schools.com
* 性質:網頁文章教學
* 內容:HTML, CSS, JavaScript, VBScript, PHP, ASP.NET, XML
* 難易度:簡單
老牌的網頁程式設計教學網站!這個網站很久了!當年 YouTube 還沒紅時,它就以滿滿的網頁程式設計範例,風靡國外鄉民們。它的特色就是「範例、範例、範例」,一大堆循序漸進的範例!我蠻喜歡這種教法的。畢竟讓我看一眼跑出來的結果,我有興趣再去研究裡面的程式碼是怎麼寫的,比直接看一本可以砸死唐伯虎那過世的寵物簡單多了... XD。不過它也有缺點:近年來興起的各種 JavaScript 框架,如 jQuery, Angular.js, Node.js...等,它就沒有教了。不過仍無損它在「網頁程式設計」教學的地位!
[2015/05/02 補記] ---------------
感謝 Dennis Kuo 網友補充。W3CSchools 的確已經有 jQuery 與 Angular.js。不過 Node.js 我沒找到。如果有找到的朋友再麻煩補充一下。
另外,對英文苦手的朋友,也可以看看由中國網友熱心翻譯的 w3schools 簡體中文版。網址是: http://www.w3school.com.cn/
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今天的五個網站,大家看了還滿意嗎?喜歡的話,麻煩轉寄給你的朋友、或按讚鼓勵小弟一下喔!!