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Diagnostics measure for statistical regression
In statistics, DFFIT and DFFITS ("difference in fit(s)") are diagnostics meant to show how influential a point is in a linear regression, first proposed
DFFITS
Measure of the influence of a data point in regression analysis
observation i {\displaystyle i} ). D i {\displaystyle D_{i}} is related to DFFITS through the following relationship (note that σ ^ σ ^ ( i ) t i = t i (
Cook's_distance
Outliers Influential observations Leverage (statistics), partial leverage DFFITS Cook's distance Everitt, B.S. (2002) The Cambridge Dictionary of Statistics
Regression_diagnostic
Statistical term
measure of changes in regression coefficients when an observation is deleted DFFITS Outlier – observations with extreme Y values Degrees of freedom (statistics)
Leverage_(statistics)
Observation that would cause a large change if deleted
third dataset from Anscombe's quartet (bottom left chart in the figure): DFFITS - difference in fits Cook's D measures the effect of removing a data point
Influential_observation
Deviance (statistics) Deviance information criterion Deviation (statistics) DFFITS – a regression diagnostic Diagnostic odds ratio Dickey–Fuller test Difference
List_of_statistics_articles
Overview of and topical guide to regression analysis
validation Studentized residual Cook's distance Variance inflation factor DFFITS Partial residual plot Partial regression plot Leverage Durbin–Watson statistic
Outline of regression analysis
Outline_of_regression_analysis
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Boy/Male
Hindu, Indian, Sanskrit
Ascetic; Devoted; Goddess Durga
Boy/Male
Tamil
Sivanta | ஸிவாஂதாÂ
Lord Shiva
Boy/Male
Hindu, Indian
Soft; Silky
Boy/Male
Dutch Hebrew
Comfort.
Girl/Female
Swedish
Name of a queen.
Boy/Male
Russian
Stone.
Girl/Female
Australian, Hebrew, Jewish
Honoured
Girl/Female
Australian, German, Greek
White as Milk; Ivory Coloured
Boy/Male
Arabic, Muslim
Victorious; Win
Surname or Lastname
English
English : apparently a habitational name from a lost or unidentified place, perhaps so called from Old English snæg(e)l ‘snail’ + grÄf ‘grove’.
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