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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
Indian, Sanskrit
Wise; Intelligent; Sharpsighted
Girl/Female
Danish, German, Latin
Purple
Girl/Female
Arabic, Muslim
Name of a Sahabiyyat RA
Girl/Female
Hindu
Beloved of Padmanabha
Boy/Male
Christian & English(British/American/Australian)
Strong and Virile
Surname or Lastname
English (North Midlands)
English (North Midlands) : habitational name from any of various places (in Derbyshire, Hampshire, Surrey, Yorkshire, and elsewhere) named Bramley, from Old English brÅm ‘broom’, ‘gorse’ + lÄ“ah ‘woodland clearing’.
Boy/Male
Hebrew
Gift from God.
Boy/Male
Tamil
God Shankar, Lord Shiva
Boy/Male
Celtic Irish
Dark.
Girl/Female
Arabic, Muslim
Proud
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