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Sdartistics

A statistics package written in Dart. This package powers SP2S.

Features

• [ ] Utility
  • [x] double roundDouble(double value, [int places = 1])
• [x] Sample Descriptives
  • [x] Count for n
  • [x] Calculate sum
  • [x] Central tendency: mean, mode, median
  • [x] Simple range: min, max
  • [x] Dispersion: variance, standard deviation, coefficient of variation, range
  • [x] Shape: skewness, kurtosis, excess kurtosis
  • [x] Frequency for values
• [ ] Test Statistics
  • [ ] Discrete
    • [ ] Binomial test
    • [ ] Chi-square goodness-of-fit test
    • [ ] Chi-square test
    • [ ] Fisher's exact test
    • [ ] McNemar's test
  • [ ] Continuous
    • [ ] One-sample T-test
    • [ ] Two independent samples T-test
    • [ ] Two paired samples T-test
    • [ ] Wilcoxon rank-sum test
    • [ ] Kruskal Wallis
    • [ ] Wilcoxon signed ranks test
    • [ ] One-way ANOVA
• [ ] Correlation and Linear Regression
  • [ ] Pearson's product-moment correlation
  • [ ] Spearman's rank correlation
  • [ ] General linear models
  • [ ] Generalized linear models
• [ ] Provide data for graphs

Getting started

Install the Dart SDK on your development machine, then clone this project and begin hacking!

Usage

• [ ] See /example folder for more details.

Future<void> main() async {
  final df = await Table.fromCsv('datasets/incomplete.csv');
  df.print();

  final double var1_mean = SampleDescriptives.mean(df.colRecords<int>('variable_1'));
  print(roundDouble(var1_mean, 2)) //2.67
}

Additional information

Some commands to run during development:

Generate Documentation

foo@bar:~$ dartdoc --output docs

I used the alias command in Linux so that the command ddg would produce the same results, the extra flag is added for GitHub Pages compatibility.