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Data science with
Animal science
Youngjun Na, PhD
Postdoc researcher @Konkuk University
Chief scientist @adatalab
Github: https://github.com/youngjunna
Email: ruminoreticulum@gmail.com
Table of contents
1. Introduction: Data science + Animal science
2. Open source ์–ธ์–ด R
3. R์„ ์ด์šฉํ•œ ์žฌํ˜„๊ฐ€๋Šฅํ•œ ์—ฐ๊ตฌ(R markdown; shiny)
4. Animal science๋ฅผ ์œ„ํ•œ R ํŒจํ‚ค์ง€(adatalab project)
Introduction:
Data science + Animal science
Data Sci. Animal Sci.
Data Science + Animal Science
ยง ์ด์ „์—๋Š” ์‚ฌ๋žŒ์ด ์†์œผ๋กœ ๊ธฐ๋กํ•˜๊ณ  ๊ด€๋ฆฌํ•ด์•ผ ํ–ˆ๋˜ ๋ฐ์ดํ„ฐ
ยง ๊ธฐ๋ก๋˜์ง€ ์•Š๋˜ ๋™๋ฌผ๋“ค์˜ ์ •๋ณด๋“ค์ด ๋ฐ์ดํ„ฐ๋กœ ๋‚จ๊ธฐ ์‹œ์ž‘ํ•จ
Data Science + Animal Science
ยง ์ถ•์‚ฐ๋ถ„์•ผ์—์„œ IoT์˜ ๋ฐœ๋‹ฌ
ยง IoT์˜ ํ•ต์‹ฌ == ์ž๋™ํ™”๋œ ๋งŽ์€ ์„ผ์„œ(sensor)
DATA
Data Science + Animal Science
ยง IoT (Internet of Things)์˜ ๋ฐœ๋‹ฌ๋กœ ์ธํ•œ ๋ฐ์ดํ„ฐ ์–‘์˜ ๋Œ€ํญ๋ฐœ
IoT๊ฐ€ ํ™œ์„ฑํ™”
๋ ์ˆ˜๋ก
๋ฐ์ดํ„ฐ ์–‘์˜
๋Œ€ํญ๋ฐœ
์šฐ๋ฆฌ๋‚˜๋ผ์˜ ์—ฌ๊ฑด = ์ˆ˜๋งŽ์€ ๋ฐ์ดํ„ฐ๋“ค์ด ๋น„๊ต์  ์ฒด๊ณ„์ ์œผ๋กœ ๊ด€๋ฆฌ๋˜๊ณ  ์žˆ์Œ
์ถ•์‚ฐ๋ฌผํ’ˆ์งˆํ‰๊ฐ€์›
์†Œ๋„์ฒด ์ •๋ณด
ํ•œ๊ตญ์ข…์ถ•๊ฐœ๋Ÿ‰ํ˜‘ํšŒ
์ –์†Œ๊ฐœ๋Ÿ‰์‚ฌ์—…์†Œ
- ํ˜ˆํ†ต์ •๋ณด
- ๊ฒ€์ •์„ฑ์ 
= ์œ ๋Ÿ‰
= ์œ ์„ฑ๋ถ„
= ๋ฒˆ์‹ํšจ์œจ
ํ•œ์šฐ๊ฐœ๋Ÿ‰์‚ฌ์—…์†Œ
- ํ˜ˆํ†ต์ •๋ณด
์ถ•์‚ฐํ™˜๊ฒฝ๊ด€๋ฆฌ์›
๊ฐ€์ถ•๋ถ„๋‡จ ๋ฐœ์ƒ ์ •๋ณด
๊ณต๋™์ž์›ํ™” ์ •๋ณด
์•…์ทจ ์ •๋ณด
ํ˜ˆํ†ต/๊ฒ€์ •์„ฑ์ 
์†Œ๋„์ฒด ๋“ฑ๊ธ‰ ์ •๋ณด
๋ถ„๋‡จ/ํ™˜๊ฒฝ์ •๋ณด
๊ธฐ์ƒ์ฒญ
๊ธฐ์ƒ ๋ฐ์ดํ„ฐ
- ์˜จ๋„
- ์Šต๋„
- THI
- ํ’์†
๊ธฐ์ƒ์ •๋ณด
๊ณต๊ณต๋ฐ์ดํ„ฐํฌํ„ธ
๋„˜์น˜๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ์–ด๋–ป๊ฒŒ ๊ฐ๋‹นํ•  ๊ฒƒ์ธ๊ฐ€?
๋„˜์น˜๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ์–ด๋–ป๊ฒŒ ๊ฐ๋‹นํ•  ๊ฒƒ์ธ๊ฐ€?
1. ๋‚ด๊ฐ€ ๋ถ„์„ํ•œ๋‹ค
2. ๋Œ€ํ•™์›์ƒ์—๊ฒŒ ์‹œํ‚จ๋‹ค
3. ๊ธฐ๊ณ„์—๊ฒŒ ์‹œํ‚จ๋‹ค
๊ธฐ๊ณ„ํ•™์Šต(ML, Machine learning)
ยง ์‚ฐ์—…ํ˜๋ช… ์‹œ๋Œ€
= ๋ฌผ๊ฑด ์ƒ์‚ฐ์„ ์œ„ํ•ด ์œก์ฒด๋…ธ๋™์„ ๊ธฐ๊ณ„๋กœ ์ž๋™ํ™” ํ•˜์ž
ยง ๋ฐ์ดํ„ฐํ˜๋ช… ์‹œ๋Œ€
= ๋ฐ์ดํ„ฐ ๋ถ„์„์„ ์œ„ํ•ด ์ •์‹ ๋…ธ๋™์„ ๊ธฐ๊ณ„๋กœ ์ž๋™ํ™” ํ•˜์ž
๋‹จ์ˆœํ•˜๊ณ  ๋ฐ˜๋ณต์ ์ธ ์ผ๋“ค์€ ๊ธฐ๊ณ„์—๊ฒŒ ๋งก๊ธฐ๊ณ 
์ตœ๋Œ€ํ•œ ์šฐ๋ฆฌ๋Š”
1. ์–ด๋–ป๊ฒŒ ๋ถ„์„ํ•  ๊ฒƒ์ธ์ง€ ๊ธฐํšํ•˜๊ณ 
2. ์„œ๋น„์Šค์˜ ์งˆ์„ ๋†’์ผ ๊ฒƒ์ธ์ง€
3. ์ข€ ๋” ๋ณธ์งˆ์ ์ธ ๊ณ ๋ฏผ์„ ํ•˜์ž
4. ๊ทธ๋ฆฌ๊ณ  ์‚ฌ๋ž‘ํ•˜๋Š” ์‚ฌ๋žŒ๋“ค๊ณผ ๋” ๋งŽ์€ ์‹œ๊ฐ„์„ ๋ณด๋‚ด์ž
ML์ด ์ž˜ ๋™์ž‘ํ•  ์ˆ˜ ์žˆ๋Š” ์กฐ๊ฑด
1. ์•Œ๊ณ ๋ฆฌ์ฆ˜
= ๊ธฐ์กด์˜ ํ•™์Šต ์•Œ๊ณ ๋ฆฌ์ฆ˜ + Deep learning
2. ๋งŽ์€ ๋ฐ์ดํ„ฐ
= IoT ๋ฐœ๋‹ฌ๋กœ ์ธํ•œ ๋ฐ์ดํ„ฐ์˜ ์ถ•์ 
3. ์ปดํ“จํ„ฐ POWER
= ์ปดํ“จํ„ฐ์˜ ๋ฐœ๋‹ฌ + ํด๋ผ์šฐ๋“œ ์ปดํ“จํ„ฐ(AWS, Google Cloud Platform)
Types of Machine Learning
Deep learning
์ธ๊ฐ„ ๋‘๋‡Œ์˜ ๋‰ด๋Ÿฐ ๊ตฌ์กฐ ๋‰ด๋Ÿด ๋„คํŠธ์›Œํฌ
๋ชจ๋“  ๊ฒƒ์„ ๋‹ค ์•Œ๊ณ  ์‹œ์ž‘ํ•  ์ˆ˜ ์—†๋‹ค
=average(A1:A4)
=stdev(A1:A4)
๋ชจ๋“  ๊ฒƒ์„ ๋‹ค ์•Œ๊ณ  ์‹œ์ž‘ํ•  ์ˆ˜ ์—†๋‹ค
tf.train.GradientOptimizer()
์ฝ”๋“œ ํ•œ์ค„๋กœ ๋!
Deep learning models for predicting enteric methane
emission from goats
ยง ์‹ค์ œ Animal science์— ์ ์šฉ ์‚ฌ๋ก€
ยง ํ‘์—ผ์†Œ์˜ ๋ฉ”ํƒ„ ๋ฐฐ์ถœ๋Ÿ‰์„ ์˜ˆ์ธกํ•˜๋Š” Deep learning model์„ ๋งŒ๋“ฆ
ยง ๊ธฐ์กด์˜ ์„ ํ˜•ํšŒ๊ท€์‹๊ณผ ์ •ํ™•๋„๋ฅผ ๋น„๊ต
ยง library(neuralnet)
ยง neuralnet(CH4d ~ DMI + OMI + CPI + NDFI + DDMI + DOMI + DCPI + DNDFI,
data=df_train, hidden = 5)
Deep learning models for predicting enteric methane
emission from goats
Figure 1. Structure of back propagation neural networks for enteric methane emission from goats (model 1 and 2).
Deep learning models for predicting enteric methane
emission from goats
Figure 2. Relationships between the observed vs.
predicted enteric methane emission from goats
derived from the artificial neural networks (a; b)
and multiple regression (c; d) models.
Deep learning models for predicting enteric methane
emission from goats
Artificial neural networks Multiple regression
Model 1 Model 2 Model 3 Model 4
RMSPE1 0.06 0.10 0.09 0.13
r2 0.92 0.79 0.85 0.60
1RMSPE=root mean square predicted error.
Table 1. Root mean square predicted error and r-square of the ANN and multiple regression models
์˜คํ”ˆ์†Œ์Šค ์–ธ์–ด
: ๋ฐ”ํ€ด๋ฅผ ๋‹ค์‹œ ๋ฐœ๋ช…ํ•˜์ง€ ๋งˆ๋ผ
์˜คํ”ˆ์†Œ์Šค์˜ ์ง€ํ–ฅ์ 
1. ์†Œ์Šค์ฝ”๋“œ ๊ณต๊ฐœ
2. ๋ฌด๋ฃŒ๋กœ ์ด์šฉ
3. ๋” ๋งŽ์€ ์‚ฌ๋žŒ๋“ค์ด ์‚ฌ์šฉ
4. ๋ฒ„๊ทธ๋ฐœ๊ฒฌ, ๊ธฐ๋Šฅ์ถ”๊ฐ€, ๋ฌธ์„œ๋ณด๊ฐ•, ์ƒˆ๋กœ์šด ์•„์ด๋””์–ด
GNU ์„ ์–ธ๋ฌธ(1985; 1993 ๊ฐœ์ •)
ยง https://www.gnu.org/gnu/manifesto.ko.html
ยง Once GNU is written, everyone will be able to obtain good system software free, just like air.
ยง This means much more than just saving everyone the price of a Unix license. It means that much wasteful
duplication of system programming effort will be avoided. This effort can go instead into advancing the state of
the art.
ยง ์ผ๋‹จ GNU๊ฐ€ ๋งŒ๋“ค์–ด์ง€๋ฉด, ๋ชจ๋“  ์‚ฌ๋žŒ๋“ค์€ ํ›Œ๋ฅญํ•œ ์‹œ์Šคํ…œ ์†Œํ”„ํŠธ์›จ์–ด๋ฅผ ๊ณต๊ธฐ์ฒ˜๋Ÿผ ๋ฌด๋ฃŒ๋กœ ์–ป์„ ์ˆ˜ ์žˆ๊ฒŒ ๋ 
๊ฒƒ์ด๋‹ค.
ยง ์ด๊ฒƒ์€ ๋ชจ๋“  ์‚ฌ๋žŒ์ด ๋‹จ์ง€ ์œ ๋‹‰์Šค ์‚ฌ์šฉ์— ๋Œ€ํ•œ ๋ผ์ด์„ ์Šค ๋น„์šฉ์„ ์ ˆ์•ฝํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ๋ณด๋‹ค ํ›จ์”ฌ ๋” ๋งŽ์€ ์˜๋ฏธ๋ฅผ
๊ฐ–๋Š”๋‹ค. ์ด๊ฒƒ์€ ์‹œ์Šคํ…œ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์— ์†Œ๋ชจ๋˜๋Š” ๋ถˆํ•„์š”ํ•œ ๋…ธ๋ ฅ์˜ ์ค‘๋ณต์„ ํ”ผํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋œ๋‹ค๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•˜๋ฉฐ,
์ ˆ์•ฝ๋œ ๋…ธ๋ ฅ์€ ๊ธฐ์ˆ  ์ˆ˜์ค€์„ ํ–ฅ์ƒ์‹œํ‚ค๋Š”๋ฐ ์‚ฌ์šฉ๋  ์ˆ˜ ์žˆ์„ ๊ฒƒ์ด๋‹ค.
์˜คํ”ˆ์†Œ์Šค ๋ผ์ด์„ผ์Šค R
ยง R ์–ธ์–ด๋Š” GPL (General Public License)๋ฅผ ์ฑ„ํƒ
ยง ์‚ฌ์šฉ์ž๋“ค์ด ์†Œํ”„ํŠธ์›จ์–ด๋ฅผ ์ž์œ ๋กญ๊ฒŒ ๊ณต์œ ํ•˜๊ณ  ์ˆ˜์ •ํ•  ์ˆ˜ ์žˆ์Œ
R์„ ์ด์šฉํ•œ ์žฌํ˜„๊ฐ€๋Šฅํ•œ ์—ฐ๊ตฌ:
R markdown; shiny
์žฌํ˜„ ๊ฐ€๋Šฅํ•œ ์—ฐ๊ตฌ(Reproducible Research)
ยง ๋…ผ๋ฌธ ๋˜๋Š” ์—ฐ๊ตฌ ๋ฌธ์„œ ๋‚ด์— ์‹ค์ œ ์—ฐ๊ตฌ์— ์‚ฌ์šฉํ•œ ์†Œ์Šค ์ฝ”๋“œ์™€ ๋ฐ์ดํ„ฐ๋ฅผ ๋ชจ๋‘
ํ•œ๊บผ๋ฒˆ์— ๋ฐฐํฌ
ยง ๋ˆ„๊ตฌ๋‚˜ ์‰ฝ๊ฒŒ ๋‹ค์‹œ ์žฌํ˜„์ด ๊ฐ€๋Šฅํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋ฐฐํฌ์ž๊ฐ€ ๋ฐฐํฌ๋ฌผ์„ ์ฒด๊ณ„์ ์œผ๋กœ
๊ด€๋ฆฌํ•˜๊ณ  ๋ฐฐํฌํ•˜๋Š” ๊ฒƒ
https://www.youtube.com/watch?feature=oembed&v=s3JldKoA0zw
Markdown
R markdown
ยง https://rmarkdown.rstudio.com/
ยง https://www.rstudio.com/wp-content/uploads/2015/02/rmarkdown-
cheatsheet.pdf
ยง ๊ธฐ๋ณธ์ ์ธ ๋ฌธ๋ฒ•์€ ๋งˆํฌ๋‹ค์šด๊ณผ ๋™์ผ
ยง ๋ฌธ์„œ ๋‚ด์— R ๋ถ„์„ ๊ฒฐ๊ณผ๋ฅผ ์‰ฝ๊ฒŒ ์‚ฝ์ž…ํ•  ์ˆ˜ ์žˆ์Œ
```{r}
plot(iris$Sepal.Length, iris$Sepal.Width)
```
Shiny
ยง https://shiny.rstudio.com/
ยง https://shiny.rstudio.com/gallery/
ยง https://youngjunna.github.io/adatalab/kpn-2017-sample.html
ยง HTML, CSS, ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๊ณ  ์ˆœ์ˆ˜ํ•œ R๋งŒ์œผ๋กœ Web application์„
๋งŒ๋“ค ์ˆ˜ ์žˆ์Œ
ยง ๋ฐ˜์‘์„ฑ(reactivity) ๋ชจ๋“œ๋ฅผ ๋””ํดํŠธ๋กœ ์‚ฌ์šฉํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์‚ฌ์šฉ์ž๊ฐ€ ์ž…๋ ฅํ•œ ๊ฐ’์—
์ฆ‰๊ฐ์ ์œผ๋กœ ๋ฐ˜์‘
Animal science๋ฅผ ์œ„ํ•œ R ํŒจํ‚ค์ง€:
Project animal data lab. (adatalab)
animal data lab. (adatalab)
ยง https://github.com/adatalab
ยง ๋™๋ฌผ ์˜์–‘ ์—ฐ๊ตฌ ๋ถ„์„์šฉ R package๋ฅผ ์ œ์ž‘
์‚ฌ๋ฃŒ ์š”๊ตฌ๋Ÿ‰ ์„ค์ •/๊ฒฐ๊ณผ๋ถ„์„ ์‚ฌ๋ฃŒ๋ฐฐํ•ฉ
Github์„ ์ด์šฉํ•œ ํ˜‘์—ฝ
ยง https://www.youtube.com/watch?v=w3jLJU7DT5E
ยง https://github.com/YoungjunNa
ยง https://github.com/adatalab
Thank you
Q&A

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Animal science with data science

  • 1. Data science with Animal science Youngjun Na, PhD Postdoc researcher @Konkuk University Chief scientist @adatalab Github: https://github.com/youngjunna Email: ruminoreticulum@gmail.com
  • 2. Table of contents 1. Introduction: Data science + Animal science 2. Open source ์–ธ์–ด R 3. R์„ ์ด์šฉํ•œ ์žฌํ˜„๊ฐ€๋Šฅํ•œ ์—ฐ๊ตฌ(R markdown; shiny) 4. Animal science๋ฅผ ์œ„ํ•œ R ํŒจํ‚ค์ง€(adatalab project)
  • 3. Introduction: Data science + Animal science Data Sci. Animal Sci.
  • 4. Data Science + Animal Science ยง ์ด์ „์—๋Š” ์‚ฌ๋žŒ์ด ์†์œผ๋กœ ๊ธฐ๋กํ•˜๊ณ  ๊ด€๋ฆฌํ•ด์•ผ ํ–ˆ๋˜ ๋ฐ์ดํ„ฐ ยง ๊ธฐ๋ก๋˜์ง€ ์•Š๋˜ ๋™๋ฌผ๋“ค์˜ ์ •๋ณด๋“ค์ด ๋ฐ์ดํ„ฐ๋กœ ๋‚จ๊ธฐ ์‹œ์ž‘ํ•จ
  • 5. Data Science + Animal Science ยง ์ถ•์‚ฐ๋ถ„์•ผ์—์„œ IoT์˜ ๋ฐœ๋‹ฌ ยง IoT์˜ ํ•ต์‹ฌ == ์ž๋™ํ™”๋œ ๋งŽ์€ ์„ผ์„œ(sensor) DATA
  • 6. Data Science + Animal Science ยง IoT (Internet of Things)์˜ ๋ฐœ๋‹ฌ๋กœ ์ธํ•œ ๋ฐ์ดํ„ฐ ์–‘์˜ ๋Œ€ํญ๋ฐœ IoT๊ฐ€ ํ™œ์„ฑํ™” ๋ ์ˆ˜๋ก ๋ฐ์ดํ„ฐ ์–‘์˜ ๋Œ€ํญ๋ฐœ
  • 7. ์šฐ๋ฆฌ๋‚˜๋ผ์˜ ์—ฌ๊ฑด = ์ˆ˜๋งŽ์€ ๋ฐ์ดํ„ฐ๋“ค์ด ๋น„๊ต์  ์ฒด๊ณ„์ ์œผ๋กœ ๊ด€๋ฆฌ๋˜๊ณ  ์žˆ์Œ ์ถ•์‚ฐ๋ฌผํ’ˆ์งˆํ‰๊ฐ€์› ์†Œ๋„์ฒด ์ •๋ณด ํ•œ๊ตญ์ข…์ถ•๊ฐœ๋Ÿ‰ํ˜‘ํšŒ ์ –์†Œ๊ฐœ๋Ÿ‰์‚ฌ์—…์†Œ - ํ˜ˆํ†ต์ •๋ณด - ๊ฒ€์ •์„ฑ์  = ์œ ๋Ÿ‰ = ์œ ์„ฑ๋ถ„ = ๋ฒˆ์‹ํšจ์œจ ํ•œ์šฐ๊ฐœ๋Ÿ‰์‚ฌ์—…์†Œ - ํ˜ˆํ†ต์ •๋ณด ์ถ•์‚ฐํ™˜๊ฒฝ๊ด€๋ฆฌ์› ๊ฐ€์ถ•๋ถ„๋‡จ ๋ฐœ์ƒ ์ •๋ณด ๊ณต๋™์ž์›ํ™” ์ •๋ณด ์•…์ทจ ์ •๋ณด ํ˜ˆํ†ต/๊ฒ€์ •์„ฑ์  ์†Œ๋„์ฒด ๋“ฑ๊ธ‰ ์ •๋ณด ๋ถ„๋‡จ/ํ™˜๊ฒฝ์ •๋ณด ๊ธฐ์ƒ์ฒญ ๊ธฐ์ƒ ๋ฐ์ดํ„ฐ - ์˜จ๋„ - ์Šต๋„ - THI - ํ’์† ๊ธฐ์ƒ์ •๋ณด ๊ณต๊ณต๋ฐ์ดํ„ฐํฌํ„ธ
  • 9. ๋„˜์น˜๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ์–ด๋–ป๊ฒŒ ๊ฐ๋‹นํ•  ๊ฒƒ์ธ๊ฐ€? 1. ๋‚ด๊ฐ€ ๋ถ„์„ํ•œ๋‹ค 2. ๋Œ€ํ•™์›์ƒ์—๊ฒŒ ์‹œํ‚จ๋‹ค 3. ๊ธฐ๊ณ„์—๊ฒŒ ์‹œํ‚จ๋‹ค
  • 10. ๊ธฐ๊ณ„ํ•™์Šต(ML, Machine learning) ยง ์‚ฐ์—…ํ˜๋ช… ์‹œ๋Œ€ = ๋ฌผ๊ฑด ์ƒ์‚ฐ์„ ์œ„ํ•ด ์œก์ฒด๋…ธ๋™์„ ๊ธฐ๊ณ„๋กœ ์ž๋™ํ™” ํ•˜์ž ยง ๋ฐ์ดํ„ฐํ˜๋ช… ์‹œ๋Œ€ = ๋ฐ์ดํ„ฐ ๋ถ„์„์„ ์œ„ํ•ด ์ •์‹ ๋…ธ๋™์„ ๊ธฐ๊ณ„๋กœ ์ž๋™ํ™” ํ•˜์ž
  • 11. ๋‹จ์ˆœํ•˜๊ณ  ๋ฐ˜๋ณต์ ์ธ ์ผ๋“ค์€ ๊ธฐ๊ณ„์—๊ฒŒ ๋งก๊ธฐ๊ณ  ์ตœ๋Œ€ํ•œ ์šฐ๋ฆฌ๋Š” 1. ์–ด๋–ป๊ฒŒ ๋ถ„์„ํ•  ๊ฒƒ์ธ์ง€ ๊ธฐํšํ•˜๊ณ  2. ์„œ๋น„์Šค์˜ ์งˆ์„ ๋†’์ผ ๊ฒƒ์ธ์ง€ 3. ์ข€ ๋” ๋ณธ์งˆ์ ์ธ ๊ณ ๋ฏผ์„ ํ•˜์ž 4. ๊ทธ๋ฆฌ๊ณ  ์‚ฌ๋ž‘ํ•˜๋Š” ์‚ฌ๋žŒ๋“ค๊ณผ ๋” ๋งŽ์€ ์‹œ๊ฐ„์„ ๋ณด๋‚ด์ž
  • 12. ML์ด ์ž˜ ๋™์ž‘ํ•  ์ˆ˜ ์žˆ๋Š” ์กฐ๊ฑด 1. ์•Œ๊ณ ๋ฆฌ์ฆ˜ = ๊ธฐ์กด์˜ ํ•™์Šต ์•Œ๊ณ ๋ฆฌ์ฆ˜ + Deep learning 2. ๋งŽ์€ ๋ฐ์ดํ„ฐ = IoT ๋ฐœ๋‹ฌ๋กœ ์ธํ•œ ๋ฐ์ดํ„ฐ์˜ ์ถ•์  3. ์ปดํ“จํ„ฐ POWER = ์ปดํ“จํ„ฐ์˜ ๋ฐœ๋‹ฌ + ํด๋ผ์šฐ๋“œ ์ปดํ“จํ„ฐ(AWS, Google Cloud Platform)
  • 13. Types of Machine Learning
  • 14. Deep learning ์ธ๊ฐ„ ๋‘๋‡Œ์˜ ๋‰ด๋Ÿฐ ๊ตฌ์กฐ ๋‰ด๋Ÿด ๋„คํŠธ์›Œํฌ
  • 15. ๋ชจ๋“  ๊ฒƒ์„ ๋‹ค ์•Œ๊ณ  ์‹œ์ž‘ํ•  ์ˆ˜ ์—†๋‹ค =average(A1:A4) =stdev(A1:A4)
  • 16. ๋ชจ๋“  ๊ฒƒ์„ ๋‹ค ์•Œ๊ณ  ์‹œ์ž‘ํ•  ์ˆ˜ ์—†๋‹ค tf.train.GradientOptimizer() ์ฝ”๋“œ ํ•œ์ค„๋กœ ๋!
  • 17. Deep learning models for predicting enteric methane emission from goats ยง ์‹ค์ œ Animal science์— ์ ์šฉ ์‚ฌ๋ก€ ยง ํ‘์—ผ์†Œ์˜ ๋ฉ”ํƒ„ ๋ฐฐ์ถœ๋Ÿ‰์„ ์˜ˆ์ธกํ•˜๋Š” Deep learning model์„ ๋งŒ๋“ฆ ยง ๊ธฐ์กด์˜ ์„ ํ˜•ํšŒ๊ท€์‹๊ณผ ์ •ํ™•๋„๋ฅผ ๋น„๊ต ยง library(neuralnet) ยง neuralnet(CH4d ~ DMI + OMI + CPI + NDFI + DDMI + DOMI + DCPI + DNDFI, data=df_train, hidden = 5)
  • 18. Deep learning models for predicting enteric methane emission from goats Figure 1. Structure of back propagation neural networks for enteric methane emission from goats (model 1 and 2).
  • 19. Deep learning models for predicting enteric methane emission from goats Figure 2. Relationships between the observed vs. predicted enteric methane emission from goats derived from the artificial neural networks (a; b) and multiple regression (c; d) models.
  • 20. Deep learning models for predicting enteric methane emission from goats Artificial neural networks Multiple regression Model 1 Model 2 Model 3 Model 4 RMSPE1 0.06 0.10 0.09 0.13 r2 0.92 0.79 0.85 0.60 1RMSPE=root mean square predicted error. Table 1. Root mean square predicted error and r-square of the ANN and multiple regression models
  • 21. ์˜คํ”ˆ์†Œ์Šค ์–ธ์–ด : ๋ฐ”ํ€ด๋ฅผ ๋‹ค์‹œ ๋ฐœ๋ช…ํ•˜์ง€ ๋งˆ๋ผ
  • 22. ์˜คํ”ˆ์†Œ์Šค์˜ ์ง€ํ–ฅ์  1. ์†Œ์Šค์ฝ”๋“œ ๊ณต๊ฐœ 2. ๋ฌด๋ฃŒ๋กœ ์ด์šฉ 3. ๋” ๋งŽ์€ ์‚ฌ๋žŒ๋“ค์ด ์‚ฌ์šฉ 4. ๋ฒ„๊ทธ๋ฐœ๊ฒฌ, ๊ธฐ๋Šฅ์ถ”๊ฐ€, ๋ฌธ์„œ๋ณด๊ฐ•, ์ƒˆ๋กœ์šด ์•„์ด๋””์–ด
  • 23. GNU ์„ ์–ธ๋ฌธ(1985; 1993 ๊ฐœ์ •) ยง https://www.gnu.org/gnu/manifesto.ko.html ยง Once GNU is written, everyone will be able to obtain good system software free, just like air. ยง This means much more than just saving everyone the price of a Unix license. It means that much wasteful duplication of system programming effort will be avoided. This effort can go instead into advancing the state of the art. ยง ์ผ๋‹จ GNU๊ฐ€ ๋งŒ๋“ค์–ด์ง€๋ฉด, ๋ชจ๋“  ์‚ฌ๋žŒ๋“ค์€ ํ›Œ๋ฅญํ•œ ์‹œ์Šคํ…œ ์†Œํ”„ํŠธ์›จ์–ด๋ฅผ ๊ณต๊ธฐ์ฒ˜๋Ÿผ ๋ฌด๋ฃŒ๋กœ ์–ป์„ ์ˆ˜ ์žˆ๊ฒŒ ๋  ๊ฒƒ์ด๋‹ค. ยง ์ด๊ฒƒ์€ ๋ชจ๋“  ์‚ฌ๋žŒ์ด ๋‹จ์ง€ ์œ ๋‹‰์Šค ์‚ฌ์šฉ์— ๋Œ€ํ•œ ๋ผ์ด์„ ์Šค ๋น„์šฉ์„ ์ ˆ์•ฝํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ๋ณด๋‹ค ํ›จ์”ฌ ๋” ๋งŽ์€ ์˜๋ฏธ๋ฅผ ๊ฐ–๋Š”๋‹ค. ์ด๊ฒƒ์€ ์‹œ์Šคํ…œ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์— ์†Œ๋ชจ๋˜๋Š” ๋ถˆํ•„์š”ํ•œ ๋…ธ๋ ฅ์˜ ์ค‘๋ณต์„ ํ”ผํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋œ๋‹ค๋Š” ๊ฒƒ์„ ์˜๋ฏธํ•˜๋ฉฐ, ์ ˆ์•ฝ๋œ ๋…ธ๋ ฅ์€ ๊ธฐ์ˆ  ์ˆ˜์ค€์„ ํ–ฅ์ƒ์‹œํ‚ค๋Š”๋ฐ ์‚ฌ์šฉ๋  ์ˆ˜ ์žˆ์„ ๊ฒƒ์ด๋‹ค.
  • 24. ์˜คํ”ˆ์†Œ์Šค ๋ผ์ด์„ผ์Šค R ยง R ์–ธ์–ด๋Š” GPL (General Public License)๋ฅผ ์ฑ„ํƒ ยง ์‚ฌ์šฉ์ž๋“ค์ด ์†Œํ”„ํŠธ์›จ์–ด๋ฅผ ์ž์œ ๋กญ๊ฒŒ ๊ณต์œ ํ•˜๊ณ  ์ˆ˜์ •ํ•  ์ˆ˜ ์žˆ์Œ
  • 26. ์žฌํ˜„ ๊ฐ€๋Šฅํ•œ ์—ฐ๊ตฌ(Reproducible Research) ยง ๋…ผ๋ฌธ ๋˜๋Š” ์—ฐ๊ตฌ ๋ฌธ์„œ ๋‚ด์— ์‹ค์ œ ์—ฐ๊ตฌ์— ์‚ฌ์šฉํ•œ ์†Œ์Šค ์ฝ”๋“œ์™€ ๋ฐ์ดํ„ฐ๋ฅผ ๋ชจ๋‘ ํ•œ๊บผ๋ฒˆ์— ๋ฐฐํฌ ยง ๋ˆ„๊ตฌ๋‚˜ ์‰ฝ๊ฒŒ ๋‹ค์‹œ ์žฌํ˜„์ด ๊ฐ€๋Šฅํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋ฐฐํฌ์ž๊ฐ€ ๋ฐฐํฌ๋ฌผ์„ ์ฒด๊ณ„์ ์œผ๋กœ ๊ด€๋ฆฌํ•˜๊ณ  ๋ฐฐํฌํ•˜๋Š” ๊ฒƒ
  • 29. R markdown ยง https://rmarkdown.rstudio.com/ ยง https://www.rstudio.com/wp-content/uploads/2015/02/rmarkdown- cheatsheet.pdf ยง ๊ธฐ๋ณธ์ ์ธ ๋ฌธ๋ฒ•์€ ๋งˆํฌ๋‹ค์šด๊ณผ ๋™์ผ ยง ๋ฌธ์„œ ๋‚ด์— R ๋ถ„์„ ๊ฒฐ๊ณผ๋ฅผ ์‰ฝ๊ฒŒ ์‚ฝ์ž…ํ•  ์ˆ˜ ์žˆ์Œ ```{r} plot(iris$Sepal.Length, iris$Sepal.Width) ```
  • 30. Shiny ยง https://shiny.rstudio.com/ ยง https://shiny.rstudio.com/gallery/ ยง https://youngjunna.github.io/adatalab/kpn-2017-sample.html ยง HTML, CSS, ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๊ณ  ์ˆœ์ˆ˜ํ•œ R๋งŒ์œผ๋กœ Web application์„ ๋งŒ๋“ค ์ˆ˜ ์žˆ์Œ ยง ๋ฐ˜์‘์„ฑ(reactivity) ๋ชจ๋“œ๋ฅผ ๋””ํดํŠธ๋กœ ์‚ฌ์šฉํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์‚ฌ์šฉ์ž๊ฐ€ ์ž…๋ ฅํ•œ ๊ฐ’์— ์ฆ‰๊ฐ์ ์œผ๋กœ ๋ฐ˜์‘
  • 31. Animal science๋ฅผ ์œ„ํ•œ R ํŒจํ‚ค์ง€: Project animal data lab. (adatalab)
  • 32. animal data lab. (adatalab) ยง https://github.com/adatalab ยง ๋™๋ฌผ ์˜์–‘ ์—ฐ๊ตฌ ๋ถ„์„์šฉ R package๋ฅผ ์ œ์ž‘ ์‚ฌ๋ฃŒ ์š”๊ตฌ๋Ÿ‰ ์„ค์ •/๊ฒฐ๊ณผ๋ถ„์„ ์‚ฌ๋ฃŒ๋ฐฐํ•ฉ
  • 33. Github์„ ์ด์šฉํ•œ ํ˜‘์—ฝ ยง https://www.youtube.com/watch?v=w3jLJU7DT5E ยง https://github.com/YoungjunNa ยง https://github.com/adatalab