Projects and program code in R
Dataset - (a) dognition_data.csv [available in this repository]
(b) nesarc.csv - available at this link https://d396qusza40orc.cloudfront.net/phoenixassets/data-management-visualization/nesarc_pds.csv
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Program - rgraphs.R
Program Description - Create Scatter plots, histograms, barplots, boxplots, piecharts and densityplots. -
Program - descriptive_stats.R
Program Description - Basic Descriptive and Inferential statistics for data exploration, including:
a. Measures of location & scale for quantitative variables.
b. Frequency & contingency tables
c. chi-square tests and similar tests for categorical variables.
d. correlation coefficients -
Program - clustering.R
Description - program to create Pie-chart & radar-type Clustering Chart -
Program - prodn_clustering.R
Description - create a scatterplot and divide into logical segments with naming. Great for visualization of customer / product segmentation! -
Program - anova.R
Description - anova calculations and visualization -
Program - chi-sq.R
Description - R code for chi-square test of independence, Fisher test, Cochran–Mantel–Haenszel chi-square test. Visualization using mosaic function. -
Program - correlation.R
Description - working program in R for Kendall correlation, Pearson correlation, Spearman correlation. Visualization using corrgram function. -
Program - regression_basic.R
Description - Linear and multiple Regression. Visualization using scatterplotMatrix(), qqPlot() and hat.plot()