In opalr: 'Opal' Data Repository Client and 'DataSHIELD' Utils

Statistics

Descriptive Statistic | Value --------------------- | ---------------- N | r opal.execute(o, paste0("length(D$", variable$name, ")")) Min | r opal.execute(o, paste0("min(D$", variable$name, ")")) Max | r opal.execute(o, paste0("max(D$", variable$name, ")")) Mean | r opal.execute(o, paste0("mean(D$", variable$name, ")")) Median | r opal.execute(o, paste0("median(D$", variable$name, ")")) Standard Deviation | r opal.execute(o, paste0("sd(D$", variable$name, ")")) Variance | r opal.execute(o, paste0("var(D$", variable$name, ")")) Skewness | r opal.execute(o, paste0("skewness(D$", variable$name, ")")) Kurtosis | r opal.execute(o, paste0("kurtosis(D$", variable$name, ")")) Sum | r opal.execute(o, paste0("sum(D$", variable$name, ")")) Sum of squares | r opal.execute(o, paste0("sum(D$", variable$name, " * D$", variable$name, ")"))

# see http://docs.ggplot2.org/current/geom_histogram.html
#plot(opal.execute(o, paste0("hist(D$", variable$name,")")))
opal.execute(o, paste0("qplot(", variable$name,", data=D, geom='histogram', binwidth=1)"))