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Dimitrios Zacharatos

Recently Published

Latest results from NASA on global temperature
Latest results from NASA on global temperature
HTML
Average full-time adjusted salaries per employee in Greece -in red-\ncompared with EU countries (source: Eurostat)
Demographic Pyramid of Greece from 1960 - 2024
HTML
OCEAN
Functions for machine learning
PLOT MEANS INTERACTIONS AND ANOVA DIAGNOSTICS
ttest and wilcoxon
Exploratory Factor Analysis
TIRT
NLP
Classification and Regression Trees
GLM_HLR
LDA
GLM ANOVA
GLM LINEAR REGRESSION
Illusions
Plot
Covid deaths divided by confirmed infections
Covid deaths divided by population
Smoothing methods
standard normal
Confusion matrix performance for different cut points
Prediction distribution for binary outcome
Confusion matrix
CAT simulation using catR
MNIST dataset in keras
PLOT MTMM
CFA measurement invariance
CFA MTMM
Diagnostics for one dimensional IRT with binary items
Scatterplot
test profvis
Syntactic Structures in R
Logistic function plot for Titanic
Receiver Operating Characteristic Curve using ggplot2
Response frequencies per factor in ggplot
Classification and regression trees before and after pruning
Importance plot for rpart object using ggplot2
Model diagnostics for pruning rpart object using rpart and ggplot2
Seasonal decomposition of average land temperature
ACF Function using ggplot with confidence intervals
Lag Plot using ggplot and forecast
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Age Adjusted Death Rate per Year
Decision Tree
Variable Importance for Random Forest Model
Death Causes in US
Death Causes in US
Death Causes in US
Death Causes in US
Death Causes in US
Decision Tree for Survival in Titanic
USD TO EURO - EURO TO USD
Mosaic Plot using ggplot2
Cross tables using ggplot2
Example of scree plot with automated factor extraction criteria using ggplot2 and simulated data
Stacked Factor Loadings with Correlation Matrix
check http://dmirman.github.io/
Stacked Factor Loadings From Simulated Personality Questionnaire Data
Y axis represents individual question X axis represents loadings
Wrapped and Ordered Factor Loadings From Simulated Personality Questionnaire Data
Y axis represents individual question X axis represents loading
Population Projection for 2005
3D Scatter Plot using plotly and simulated data with cholesky decomposition
Playing with random letter clouds