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CFA學習之數量分析學習技巧

2013-01-10 23:12     來源：中國會計網     
  • 數量分析學習技巧
    Aim: Sample Population Estimation&Forecast
    Statistics: Descriptive Statistics & Inferential Statistics
    1, Descriptive Statistics
    1.1, Central Tendency
    Mode
    Median
    Mean: arithmetic mean, geometric mean, weighted mean
    1.2, Dispersion & Relative Dispersion
    Range
    MAD(mean absolute deviation)
    Variance--risk
    1.3, Symmetry--skewness
    1.4, Kurtosis
    2, Inferential Statistics
    2.0, Probability Concept--An excellent mathematic tool for Statistics
    l Conditional, unconditional, joint probability, Addition Rule, Independent Events
    l Probability Distribution & Probability Function
    Binomial Distribution
    Uniform Distribution
    Normal Distribution
    Lognormal Distribution
    2.1 Estimation With Confidence --The development of descriptive statistics
    z-statistic, t-statistic, -statistic
    2.2 Hypothesis Testing
    --A test of validity of financial assertion with the help of probability distribution
    2.3 Forecasting
    2.4 The Estimation & Forecast Between Variables
    CFA level I focus on the estimation and forecast of linear regression
    3, Extension in Finance
    Case A, arithmetic mean, geometric mean
    dilemma of return
    100----200-----100 first year:100% second year:-50%
    compute 1:
    compute 2:
    Case B, Normal Distribution vs. Lognormal Distribution
     

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