저평가 우량주

Part 1. Reading aloud offers many benefits when learning a language. For starters, it helps people become engrossed with the story. When this happens, 2 they may forget their surroundings and experience a sense of time distorion. In other words, they 3lose track of time. This altered state supports active and deeper learning. Reading aloud also helps learners "develop good listening habits. The ..

Part 1. Attending a live concert can be an exciting, exhilarating, but expensive experience. Besides the cost of the ticket, service charges, parking, and food can mean saying goodbye to a large chunk of your hard-earned money. But despite the high cost, attending a live concert can be good for you for many different reasons. - exhiarate : 아주 기쁘게 만들다. - hard-earned : 애써 번 Concerts involve a lot ..

첫번째 문장 Nobody’s perfect. There is always room for improvement, no mattter who you are and what you do. 두번째 문장 Being a better driver means more than just improving your habit behind the wheel.

첫번째 문장 Learning another language is never easy. It is however always rewarding. It can help you see the world and find new job opportunities. 두번째 문장 Let’s take a look at how studying English can make a fifference in your life.

Regaredless of what it’s called, aromatherapy use aromatic oil to improve the health of the body, mind and spirit. In fact, there are nearly 100 types of essential oils available.

One of the most significant long-term health benefits of wearing braces is the prevention of gum disease. - brace : 버팀대, 치아교정기 - gum disease : 잇몸 질환 As a result, they often swallow large chunks of food, which can not be digested correctly. - chunk : 덩어리

첫번째 문장 One of the main differences between a study cafe and a library is the lack of restrictions in the former. 두번째 문장 Whereas most libraries prohibit food and drinks, they are -unsurprisingly- found in abundance at a study cafe. - in abundance at : 풍부하게 세번째 문장 However, many study cafes today are staffless. Just pay for a seat on the screen at the entrance. And walk right in.

첫번째 문장 Your new life will likely be as different as night and day from your current life. - night and day : 하늘과 땅 차이 두번째 문장 Although this step may not always be possible, it’s definitely the best way to find out what you’re in for.

첫번째 문장 The US goverment has incentivized insurers to allow to people to get the test kits for free at the point of sale rather than having to submit claims for reimbursement. - incentivize : 장려하다 두번째 문장 Consumers can find out from their insurerance provider if it allows direct coverage of over-the-counter COVID-19 tests. - over the counter : 처방전 없이

선형회귀 분석이란? - 어떤 변수들이 한 변수의 원인이 되는지(인과관계) 분석하는 방법z선형회귀 모델이란? y = wx + b - 입력변수 X 들의 선형결합을 통해 출력변수 Y를 표현한 모델 - X 변수와 Y변수 사이의 관계를 수치로 설명 → 미래 반응변수(Y) 값을 예측!! 선형회귀 모델 분류 '독립변수(X)의 수', '독립변수의 척도', '독립종속 변수의 관계' 등에 따라 여러가지 회귀분석 분류가 생기게 됩니다. 선형모델 선형회귀(최소제곱법, OLS, Ordinary Least Squares) : 예측과 훈련 세트에 있는 타겟 y 사이(잔차) 평균제곱오차(MSE)를 최소화하는 최적의 w와 b값 찾기 비용함수 : 손실함수, 모델의 오차를 정의하고 측정하기 위해 사용 잔차(residual, 훈련 오차) ..