Sina plot

A sina plot is a type of diagram in which numerical data are depicted by points distributed in such a way that the width of the point distribution is proportional to the kernel density.^[1]^[2] Sina plots are similar to violin plots, but while violin plots depict kernel density, sina plots depict the points themselves. In some situations, sina plots may be preferable to violin plots, because sina plots contain more information.^[3]^[4]

The term "sina plot" is intended to recognize the contributions of Sina Hadi Sohi, a student at the University of Copenhagen in Denmark. Sina created the original code that researchers at the university used to generate these plots.^[2]

There are a number of ways to create sina plots, in particular:

The ggplot2 library of the R programming language used together with the ggforce package.^[5]
The sinaplot library of the R programming language.^[6]
The plotnine library of the Python programming language.^[7]

References

[edit]

↑ Sidiropoulos, Nikos; Sohi, Sina Hadi; Pedersen, Thomas Lin; Porse, Bo Torben; Winther, Ole; Rapin, Nicolas; Bagger, Frederik Otzen (2018-07-03). "SinaPlot: An Enhanced Chart for Simple and Truthful Representation of Single Observations Over Multiple Classes". Journal of Computational and Graphical Statistics. 27 (3): 673–676. doi:10.1080/10618600.2017.1366914. ISSN 1061-8600.
1 2 Wilke, Claus (2019). Fundamentals of data visualization: a primer on making informative and compelling figures (First ed.). Beijing Boston Farnham Sebastopol Tokyo: O'Reilly. ISBN 978-1-4920-3108-6.
↑ "Sinaplot vs Violin plot - Why Sinaplot is better than Violinplot in R". GeeksforGeeks. 2023-02-03. Retrieved 2023-11-18.
↑ datavizpyr (2021-03-28). "Sinaplot vs Violin plot: Why Sinaplot is better than Violinplot - Data Viz with Python and R". Retrieved 2023-11-18.
↑ https://ggforce.data-imaginist.com/reference/geom_sina.html
↑ https://cran.r-project.org/web/packages/sinaplot/vignettes/SinaPlot.html
↑ https://plotnine.readthedocs.io/en/stable/generated/plotnine.geoms.geom_sina.html

Statistics

Descriptive statistics

Continuous data

Center	Mean Arithmetic Arithmetic-Geometric Contraharmonic Cubic Generalized/power Geometric Harmonic Heronian Heinz Lehmer Median Mode
Dispersion	Average absolute deviation Coefficient of variation Interquartile range Percentile Range Standard deviation Variance
Shape	Central limit theorem Moments Kurtosis L-moments Skewness

Count data

Index of dispersion

Summary tables

Dependence

Graphics

Statistical data processing

Transformations	Data transformation Log transformation Power transform Box–Cox transformation Yeo–Johnson transformation Variance-stabilizing transformation Anscombe transform Fisher transformation
Scaling and normalization	Feature scaling Normalization Standardization (z-score) Min–max normalization Unit vector normalization
Data cleaning	Data cleaning Outlier Winsorizing Truncation Missing data
Data reduction	Dimensionality reduction Principal component analysis Factor analysis
Time-series preprocessing	Differencing Detrending Seasonal adjustment Stationarity transformation

Data collection

Study design	Effect size Missing data Optimal design Population Replication Sample size determination Statistic Statistical power
Survey methodology	Sampling Cluster Stratified Opinion poll Questionnaire Standard error
Controlled experiments	Blocking Factorial experiment Interaction Random assignment Randomized controlled trial Randomized experiment Scientific control
Adaptive designs	Adaptive clinical trial Stochastic approximation Up-and-down designs
Observational studies	Cohort study Cross-sectional study Natural experiment Quasi-experiment

Statistical inference

Statistical theory

Frequentist inference

Point estimation	Estimating equations Maximum likelihood Method of moments M-estimator Minimum distance Unbiased estimators Mean-unbiased minimum-variance Rao–Blackwellization Lehmann–Scheffé theorem Median unbiased Plug-in
Interval estimation	Confidence interval Pivot Likelihood interval Prediction interval Tolerance interval Resampling Bootstrap Jackknife
Testing hypotheses	1- & 2-tails Power Uniformly most powerful test Permutation test Randomization test Multiple comparisons
Parametric tests	Likelihood-ratio Score/Lagrange multiplier Wald

Specific tests

Z-test (normal) Student's t-test F-test
Goodness of fit	Chi-squared G-test Kolmogorov–Smirnov Anderson–Darling Lilliefors Jarque–Bera Normality (Shapiro–Wilk) Likelihood-ratio test Model selection Cross validation AIC BIC
Rank statistics	Sign Sample median Signed rank (Wilcoxon) Hodges–Lehmann estimator Rank sum (Mann–Whitney) Nonparametric anova 1-way (Kruskal–Wallis) 2-way (Friedman) Ordered alternative (Jonckheere–Terpstra) Van der Waerden test

Bayesian inference

Correlation	Pearson product-moment Partial correlation Confounding variable Coefficient of determination
Regression analysis	Errors and residuals Regression validation Mixed effects models Simultaneous equations models Multivariate adaptive regression splines (MARS) Template:Least squares and regression analysis
Linear regression	Simple linear regression Ordinary least squares General linear model Bayesian regression
Non-standard predictors	Nonlinear regression Nonparametric Semiparametric Isotonic Robust Homoscedasticity and Heteroscedasticity
Generalized linear model	Exponential families Logistic (Bernoulli) / Binomial / Poisson regressions
Partition of variance	Analysis of variance (ANOVA, anova) Analysis of covariance Multivariate ANOVA Degrees of freedom

Categorical / multivariate / time-series / survival analysis

Categorical

Multivariate

Time-series

General	Decomposition Trend Stationarity Seasonal adjustment Exponential smoothing Cointegration Structural break Granger causality
Specific tests	Dickey–Fuller Johansen Q-statistic (Ljung–Box) Durbin–Watson Breusch–Godfrey
Time domain	Autocorrelation (ACF) partial (PACF) Cross-correlation (XCF) ARMA model ARIMA model (Box–Jenkins) Autoregressive conditional heteroskedasticity (ARCH) Vector autoregression (VAR) (Autoregressive model (AR))
Frequency domain	Spectral density estimation Fourier analysis Least-squares spectral analysis Wavelet Whittle likelihood

Survival

Survival function	Kaplan–Meier estimator (product limit) Proportional hazards models Accelerated failure time (AFT) model First hitting time
Hazard function	Nelson–Aalen estimator
Test	Log-rank test

Applications

Biostatistics	Bioinformatics Clinical trials / studies Epidemiology Medical statistics
Engineering statistics	Chemometrics Methods engineering Probabilistic design Process / quality control Reliability System identification
Social statistics	Actuarial science Census Crime statistics Demography Econometrics Jurimetrics National accounts Official statistics Population statistics Psychometrics
Spatial statistics	Cartography Environmental statistics Geographic information system Geostatistics Kriging

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See also

References