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historical controls at the end of the study using the covariate data of the patients accrued in stage 2.\n\n```r\nhist_end(interim, stagetwo_data)\n```\n\n## Arguments\n\n- `interim`: An design based on historical controls and adjusted at interim as returned by `hist_interim()`.\n- `stagetwo_data`: A dataframe containing the relevant covariate data of the patients accrued in stage 2.\n\n## Returns\n\nA list returning the arguments of the function and the final design of the trial.\n\n\n\n## Examples\n\n```r\nX <- abs(rnorm(1000, 0, 1))\nY <- rbinom(1000, 1, 1-exp(-X))\nmydata <- data.frame(\"X\" = X, \"Y\" = Y)\nstart <- hist_start(mydata, Y~X, c1 = 2)\nn1 <- start$des_start[2]\nX1 <- abs(rnorm(n1, 0, 1))\ndataone <- data.frame(\"X\" = X1)\ninterim <- hist_interim(start, dataone)\nn2 <- interim$des_interim[4]\nX2 <- abs(rnorm(n2, 0, 1))\ndatatwo <- data.frame(\"X\" = X2)\nhist_end(interim, datatwo)\n```"}]}]}]}]}]}],["$","div",null,{"className":"lg:w-1/3 lg:border-l px-1 sm:px-8 pt-8 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