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  • https://stats.libretexts.org/Workbench/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Science_(Oja)_WITHOUT_UNITS/14%3A_Correlations/14.04%3A_Strength_Direction_and_Linearity
    If correlations are like a descriptive statistic, what can they describe?
  • https://stats.libretexts.org/Courses/Cerritos_College/Introduction_to_Statistics_with_R/15%3A_Regression_in_R/15.06%3A_Correlations
    If we compare the scatterplot of “baby.sleep v dan.grump” to the scatterplot of “`baby.sleep v dan.sleep”, the overall strength of the relationship is the same, but the direction is different. The cov...If we compare the scatterplot of “baby.sleep v dan.grump” to the scatterplot of “`baby.sleep v dan.sleep”, the overall strength of the relationship is the same, but the direction is different. The covariance between two variables X and Y is a generalisation of the notion of the variance; it’s a mathematically simple way of describing the relationship between two variables that isn’t terribly informative to humans:
  • https://stats.libretexts.org/Courses/Taft_College/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Sciences_(Oja)/03%3A_Relationships/14%3A_Correlations/14.08%3A_Alternatives_to_Pearson's_Correlation
    Are there alternatives if Pearson's r doesn't seem right?
  • https://stats.libretexts.org/Workbench/Learning_Statistics_with_SPSS_-_A_Tutorial_for_Psychology_Students_and_Other_Beginners/04%3A_Descriptive_Statistics/4.07%3A_Correlations
    If we compare the scatterplot of “baby.sleep v parent.grump” to the scatterplot of “`baby.sleep v parent.sleep”, the overall strength of the relationship is the same, but the direction is different. U...If we compare the scatterplot of “baby.sleep v parent.grump” to the scatterplot of “`baby.sleep v parent.sleep”, the overall strength of the relationship is the same, but the direction is different. Unfortunately, the raw magnitude of the covariance isn’t easy to interpret: it depends on the units in which X and Y are expressed, and worse yet, the actual units that the covariance itself is expressed in are really weird.
  • https://stats.libretexts.org/Workbench/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Science_(Oja)_WITHOUT_UNITS/14%3A_Correlations/14.08%3A_Alternatives_to_Pearson's_Correlation
    Are there alternatives if Pearson's r doesn't seem right?
  • https://stats.libretexts.org/Courses/Taft_College/PSYC_2200%3A_Elementary_Statistics_for_Behavioral_and_Social_Sciences_(Oja)/03%3A_Relationships/14%3A_Correlations/14.04%3A_Strength_Direction_and_Linearity
    If correlations are like a descriptive statistic, what can they describe?

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