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Identical twins are not so identical (10th January, 2021) A new study shows that while identical twins can look perfectly alike, it is not a perfect similarity. They are not clones of each other. Scientists at the University of Iceland analyzed the DNA from 387 pairs of identical twins - babies born from a single fertilized egg. The scientists compared the DNA with that of the twins' parents and..

Biden vows to repair global alliances (22nd January, 2021) Joe Biden has promised to re-establish global alliances in his first speech as U.S. President. Mr Biden was sworn in as the 46th U.S. President on Wednesday amid tight security in Washington. In unprecedented scenes, around 25,000 National Guard troops were positioned to make sure the inauguration took place without incident. In the firs..

UAE to offer citizenship to 'talented' foreigners (3rd February, 2021) The United Arab Emirates (UAE) has announced it will grant citizenship to foreign residents who "add value" to the nation. It is very rare for a Gulf state to bestow citizenship on foreign nationals and represents a bold revision of the UAE's immigration policy. UAE Vice-President and ruler of Dubai Sheikh Mohammed bin Rashid..

211pg. 앙상블 여러개의 Classifier를 생성하고 그 예측을 결합하여 정확한 최종 예측을 도출하는 기법. 정형데이터 분류에 성능이 좋다. - 앙상블 유형: Voting(하드보팅, 소프트보팅), Bagging(랜덤포레스트 알고리즘), Boosting(그래디언트 부스트, EGBoost, LightGBM 모듈), Stagging(메타모델 재학습) - Voting방식: Data Set를 각각의 분류기가 학습을 한다. 서로 다른 Estimator를 사용하는 경우가 많음. 하드보팅은 다수결 원칙으로, 소프트보팅은 평균적인 확률값이 높은 것을 원칙으로 예측값을 도출한다. - Bagging방식: Data Set를 샘플링해서 각각의 분류기가 학습을 한다. 서로 동일한 Estimator를 사용하는 경우가 많음. ..

Rome's Colosseum to get new hi-tech floor (6th May, 2021) Italy's government has given the green light for the refurbishment of Rome's famous ancient Colosseum. The Colosseum is one of the world's most iconic sites and one of the New Seven Wonders of the World. It is an oval amphitheatre in the centre of the city of Rome and is the largest ancient amphitheatre ever built. It was completed over t..

202pg. UCK HAR Datasets.zip를 다운받고 실습 archive.ics.uci.edu/ml/datasets/Human+Activity+Recognition+Using+Smartphones UCI Machine Learning Repository: Human Activity Recognition Using Smartphones Data Set Human Activity Recognition Using Smartphones Data Set Download: Data Folder, Data Set Description Abstract: Human Activity Recognition database built from the recordings of 30 subjects performing a..

Germany to return Benin Bronzes to Nigeria (2nd May, 2021) Germany is to return precious artefacts that were plundered from Nigeria during the colonial era in the late-19th century. The world-famous Benin Bronzes are currently on display at a museum in Leipzig. The Bronzes comprise a collection of more than a thousand metal plaques, sculptures and statues. They were created by the Edo people in ..

University staff asked not to say 'mother' and 'father' (19th February, 2021) Staff at the Australian National University (ANU) in Canberra have been requested to avoid the use of certain words related to gender. ANU's Gender Institute issued a list of replacement terms for everyday words like 'mother' and 'father'. The switch in vocabulary is part of an initiative to encourage more gender-neutr..

183pg. 분류의 개요 - 지도학습은 label값 (명시적 답)이 주어진 상태에서 머신러닝 알고리즘으로 학습해 모델을 생성하고 이 모델을 통해 미지의 label값을 예측하는 것이다. 지도학습의 대표적인 유형에는 분류(Classification)가 있고, Baive Bayes, Logistic Regression, Decision Tree, Support Vector Machine, Nearest Neighbor, Neural Network, Ensemble 등의 머신러닝 알고리즘으로 구현할 수 있다. - 앙상블 방법: 서로다른/같은 머신러닝 알고리즘을 결합한 방법으로 정형데이터의 예측분석영역에서 높은 예{측성능을 가지고 있다. 기본적으로 Decision Tree알고리즘을 사용하며, 앙상블 방법은 Bag..

Dogs may be self-aware (23rd February, 2021) Have you ever wondered what animals think about? A team of scientists explored this question by investigating whether dogs have self-awareness. Researchers from a university in Hungary set out to determine whether canines have a sense of self and of body awareness. Researcher Peter Pongracz explained why his team conducted the study. He said: "Self-aw..