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DONE

Version 1.4

  • Rewrite the code of most of the procedures using tidyverse.

Version 1.0

  • I18n of the plugin.

Version 0.2

  • New Probability menu that includes:
    • Building of probabilistics spaces of random games (coin tosses, dice roll, extraction of cards, extraction polls) and simulate random experiments.
    • Building of probabilistics spaces from sample frequencies.
    • Combination of probabilistic spaces.
    • Replication of probabilistic spaces.
    • Probability calculation from a probabilistic space.

Version 0.1

  • Frequency tabulation for two variables (grouped and non grouped data).
  • Use of package ggplot2 for graphics.
  • Means plot and interaction plot.
  • Sample size calculation for estimatin means and proportions.
  • Non parametric tests (Lilliefor and Shapiro-Wilk test for normality, Mann-Whitney U test, Wilcoxon test, Kruskal-Wallis test, Friedman test, Chi-square test).
  • Concordance analysis (intraclass correlation coef. and Cohen's kappa).

Version 0.0

  • Data manipulation (filterig, recoding, calculating new variables, weighting and tipification).
  • Frequency tabulation for one variable (grouped and non grouped data).
  • Basic exploratory plots (barchart, histogram, piechart, box and whisker plot, scatterplot)
  • Descriptive statistics (min, max, mean, median, mode, variance, std. desviation, coef. of variation, cuasi-variance, cuasi-std. desviation, skewness coef., kurtosis coef, quartiles and percentiles).
  • Detailed calculation of descriptive statistics (mean, variance, std. desviationd, coef. of variation, skewness coef, and kurtosis. coef.)
  • Parametric hypothesis tests:
    • Means (T test).
    • Variances (F test and Levene test).
    • Proportions.
  • Probability distributions:
    • Discrete (Binomial and Poisson)
    • Continous (Uniform, Normal, Chi-square, Student's T and Fisher's F).
  • Simulations (Binomial-Poisson law).

TO DO

  • [] Include normality test of Anderson-Darling
  • [] Include Bartlett's test for homocedasticity on normal distributions.
  • [] Include assistant helper to choose the correct test or procedure.
  • [] Include sample size calculation for main tests.