#MOC / Hub for notes related to general statistical knowledge

Hub for notes related to general statistical knowledge

About My Motivation I always believe in the notion that for you to truly understand, you must either teach or explain to others, so this di...

BoxCox transformation will do series of test to find the best transformation method to normalise your variable This is useful when you’r...

Confusion Matrix is the visual representation of the Actual vs Predicted values. It group and measures the performance of classification...

Metadata topic:: 00 Statistics updated:: 20220605 reviewed:: 20220605 #FleetingNote #toexpand Geometric Brow...

SSR represents expected deviation while SSE is the unexplained deviation SSR represents the ==expected (or explained) deviation from the...

RMSE tells us how far apart the predicted values are from the observed values in a dataset, on average. The lower the RMSE, the better a model fits...

ROC curve makes it easy to visualize Sensitivity and Specificity and find optimal balance between the two in classification model ROC is...

Prediction Interval prediction interval is a type of confidence interval (CI) used with predictions in regression analysis; it is a range of val...

Key similarities Both quantify the direction and strength of the relationship between two numeric variables. When the correlation (r) is neg...

References Equiprobability Wikipedia Metadata topic:: 00 Statistics updated:: reviewed:: #FleetingNote

R squared dependency on sample’s mean makes it susceptible to extreme values (e.g. outliers) when measuring for linear regression or correlation ...

Fivenumber summary help to give quick sense on data spread and skew Every distribution can be organized using a fivenumber summary: L...

Examples below shows R code and functions since I use primarily R for data analysis. You can google for similar function in Python (or other data a...

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