Spreadsheet Data Manipulation in R Juni 15, 2018 data manipulation dplyr ggplot2 GitHub group_by spreadsheet summarize +
Data Visualization Website with Shiny Maret 25, 2018 bar chart bar charts bar-chart box plot box-plot csv data visualization error bars ggplot2 histogram scatterplot stand alone standalone time-series +
Street Crime UK - Shiny App Maret 11, 2018 britain crime data.police.uk dropbox GitHub heatmap interactive interactive map Leaflet open street maps point pattern analysis rdrop2 shiny shinyapps.io uk +
Experiment designs for Agriculture Juli 25, 2017 agricolae agriculture block design complete random design control latin square randomization split-plot +
Power analysis and sample size calculation for Agriculture Juli 21, 2017 a posteriori a priori ANCOVA ANOVA cohen effect size generalized linear models linear mixed effects model linear model power analysis sample size +
Generalized Additive Models and Mixed-Effects in Agriculture Juli 15, 2017 generalized additive models generalized linear models non-linear pseudo r squared pseudo r-squared pseudo r2 smoother +