If you wish to reduce positive skewness in variable Y traditional transformation include log
12 oct. 2010 a negatively skewed variable had to be reflected (reversed) anchored at 1.0
il y a 6 jours Transformation of a Negatively Skewed ... How To Log Transform Data In SPSS ... Data Transformation for Skewed Variables.
transforming left skewed Weibull data and left skewed Beta data to normality: reflect then logarithm with base 10 transformation reflect then square root.
MACE scores (n=599) illustrating rightward negative skew. means using log transformation of test scores to compensate for skewed data.
For instance a logarithmic transformation is recommended for positively skewed data
Use this transformation method. Moderately positive skewness. Square-Root. NEWX = SQRT(X). Substantially positive skewness. Logarithmic (Log 10).
data transformation handout
data are right-skewed (clustered at lower values) move down the ladder of powers (that is try square root
for choosing the most appropriate transformation. For instance a logarithmic transformation is recommended for positively skewed data
transform data that are both positively and negatively skewed. More traditional transformations like square root or log transformations work primarily on