Mark Goldberg
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Statistical learning - topics
Basic topics of statistical learning.
Aug 8, 2019
1 min read
Statistics
tSNE
tSNE.
Aug 7, 2019
1 min read
Statistics
Models - reference
Linear regression Test linear moedel One-way ANOVA Linear regression lm(y ~ x1 + x2 + x3) # multiple linear regression lm(log(y) ~ …
May 7, 2020
1 min read
R
,
Statistics
Linear Regression (Math)
Pure math for linear regression model.
Aug 14, 2019
3 min read
Statistics
Principal component analysis
Principal component analysis.
Aug 14, 2019
7 min read
Statistics
ANOVA
One-way ANOVA Sources One-way ANOVA variance = SS/df, where SS - sum of squares and df - degree of freedom \(SS = …
Aug 9, 2019
2 min read
R
Determining the optimal number of clusters
Elbow method Average silhouette method Gap statistic method Using NbCLust Sources Elbow method The basic idea is to find minimal the …
Aug 9, 2019
6 min read
R
,
Statistics
Exploratory analysis in R
Exploratory analysis in R.
Aug 9, 2019
3 min read
Statistics
Compare Models And Select The Best Using The Caret R Package
Compare Models And Select The Best Using The Caret R Package.
Aug 8, 2019
2 min read
Statistics
Gradient Boosting Machine
Gradient Boosting Machine
Aug 8, 2019
1 min read
Statistics
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