- [INDEX] Linear Algebra with example
개념 체크 위주의 정리
Read More
- [Linear Algebra] 01. 일차 방정식과 행렬
개념 체크 위주의 정리
Read More
- [11] [INDEX] Linear Algebra
Are You Ready To Learn Linear Algebra?
Read More
- [00] [INDEX] STATISTICS
Are You Ready To Learn STATISTICS?
Read More
- [01] STATISTICS: Defining and Collecting Data
개념부터 문제로 이해하는 Definition Of Some Terms,Primary Sources, Secondary Sources, POPULATION, SAMPLE/Structured Data (정형데이터), Unstructured Data (비정형 데이터) 차이/Nonprobability Sample/probability Sample (Simple Random, Systematic, Stratified, Cluster) ,After Collection It Is Often Helpful To Recode,Types of Sample
Read More
- [02] STATISTICS: Defining and Collecting Data
개념부터 문제로 이해하는 Categorical Data,Summary Table For One Variable (Bar Chart,pie chart,Pareto Chart)/Numerical Data,Ordered Array , Frequency Distributions and Cumulative Distributions(Histogram,polygon), Two Numerical Data (Time-Series Plot,Scatter Plot)
Read More
- [03] STATISTICS: Numerical Descriptive Measures 1 (수치적 기술 방법)
central tendency(Mean,Median,Mode), variation(Range, Sample Standard Deviation, Sample Variance,Coefficient of Variation,Z-Score),shape(Skewness, Kurtosis)
Read More
- [04] STATISTICS: Numerical Descriptive Measures 2 (수치적 기술 방법)
Exploring Numerical Data(Quartile Measures)/sample 과 population의 평균, 분산/Two Measures Of The Relationship_ 공분산, 상관계수
Read More
- [05] STATISTICS: Basic Probability
Basic Probability Concepts(Assessing Probability,EVENT,Probability,Exclusive Events,Computing)/Conditional Probabilities/PLUS/Bayes’ Theorem/Counting Rules
Read More
- [06] STATISTICS: Discrete Probability Distributions
문제와 영어 수학 용어로 이해하는 Discrete Variables 베르누이 분포 Bernoulli distribution, 이항분포, 포아송비Poisson Distributions
Read More
- [07] STATISTICS: The Normal Distribution
문제로 익히는 Continuous Probability Distribution, The Normal Distribution, The Standardized Norma, Finding Normal Probabilities
Read More
- [08] STATISTICS: Sampling Distributions of the Mean
예시와 그림, 문제로 쉽게 알아보는 Sampling Distributions, Sampling Distributions of the Mean, Standard Error of the Mean, Central Limit Theorem
Read More
- [09] STATISTICS: Sampling Distributions of the Proportion
예시와 그림, 문제로 쉽게 알아보는 Sampling Distributions, Sampling Distributions of the Mean, Standard Error of the Mean, Central Limit Theorem
Read More
- [10] STATISTICS: One-Sample Tests_Hypothesis & Z-Test
문제와 예시로 쉽게 배우는 Fundamentals of Hypothesis Testing: One-Sample Tests, The Null Hypothesis, $$H_0$$,The Alternative Hypothesis, $$H_1$$,The Hypothesis Testing Process,Critical Value approach,p-Value approach,Risks in Decision Making Using Hypothesis Testing
Read More
- [11] STATISTICS: One-Sample Tests_𝜎 Unknown (t test)
𝜎 Unknown (t test)
Read More
- [12] STATISTICS: One-Sample Tests_one tail test
One-Tail Tests 종류,Lower-Tail Tests,Upper-Tail Tests, Example: Upper-Tail t Test for Mean (𝜎 unknown)
Read More
- [13] STATISTICS: One-Sample Tests_Hypothesis Tests for Proportions
Hypothesis Tests for Proportions, Proportions, Example: Z Test for Proportion
Read More
- [13] STATISTICS: Two-Sample Tests_Independent samples
문제로 개념 응용까지 해보는 Fundamentals of Hypothesis Testing: Two-Sample Tests,Comparing the mean of Two Independent Populations, Pooled-Variance t-test, Separate-variance t-test ,Independent Sample
Read More
- [15] STATISTICS: Two-Sample Tests_Related Populations
문제로 이해하는 Comparing the mean of Two Related Population: σ(퍼짐의 정도)를 모를 때, σ(퍼짐의 정도)를 알 때
Read More
- [16] STATISTICS: Two-Sample Tests_Population proportion
문제로 이해하는 Fundamentals of Hypothesis Testing: Two-Sample Tests, Comparing the mean of Population proportion의 계산식,정규화 조건
Read More
- [17] STATISTICS: Two-Sample Tests_Population Variance
문제로 개념 응용까지 해보는 Fundamentals of Hypothesis Testing: Two-Sample Tests,Comparing the mean of Two Population Variance , F Distribution
Read More
- [18] STATISTICS: ANOVA
문제로 개념 응용까지 해보는 General ANOVA Setting, One-Way Analysis of Variance, Hypotheses of One-Way ANOVA, Partitioning the Variation,Partitioning the Variation , SST, SSA, SSW/ ANOVA F Test Statistic
Read More
- [11] Vector Spaces: 벡터란?
벡터란, 벡터에 담긴 기하학적 의미, 벡터 합, 합성벡터, 벡터 합의 평행사변형 법칙 (parallelogram law), 벡터 합의 평행사변형 법칙의 성질, 스칼라 곱, 세 점 A, B, C 로 결정되는 평면
Read More
- [12] Vector Spaces: 벡터 공간
대수적 구조로서 벡터의 개념, 벡터공간, 용어정리
Read More
- [13] Vector Spaces: 부분 공간, 행렬의 종류
부분공간(subspace) 정의, 부분공간이기 위한 필요충분조건, 행렬의 종류(정방행렬, 전치행렬, 대칭행렬, 영행렬, 삼각행렬, 대각행렬, 항등행렬, 직교행렬
Read More
- [14] Vector Spaces: 일차결합과 연립일차방정식
일차 결합 linear combination, 계수 coefficient, 일차결합 증명, 생성공간 span
Read More
- [15] Vector Spaces: 일차종속과 일차독립
일차종속 linearly dependent, 일차독립 linearly independent
Read More
- [16] Vector Spaces: 기저와 차원
기저 basis, 표준기저 standard basis, 기저의 성질, 대체정리 replacement theorem, 기저와 연관 개념, 부분공간의 차원, 라그랑주 보간법, 라그랑주 다항식 Lagrange polynomial]
Read More
- [17] 선형대수: 선형변환
기저 basis, 표준기저 standard basis, 기저의 성질, 대체정리 replacement theorem, 기저와 연관 개념, 부분공간의 차원, 라그랑주 보간법, 라그랑주 다항식 Lagrange polynomial]
Read More