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StatsToDo: Cronbach's Alpha

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Explanations and References Javascript Program

Data Input : Two format of data input is available

Data Entry Using raw data ot primary measurements :
  - Each rows represent data from a subject
  - The columns represent measurement of different variables

Data Entry Using an assumed covariance matrix :
  - The data is a square matrix
  - The diagonal is variances
  - The off diagonal the covariances

Data Entry Using Raw data of Measurements :
Data Entry Using Covariance or Correlation Matrix :
R Code