search for: ncov

Displaying 2 results from an estimated 2 matches for "ncov".

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2012 Jun 16
2
How to specify "newdata" in a Cox-Modell with a time dependent interaction term?
...tart, : Variablenl?ngen sind unterschiedlich (gefunden f?r '(id)') --> failure, length of variables are different. #----------------------------------------------------------------- fold <- function(data, time, event, cov, cov.names=paste('covariate', '.', 1:ncovs, sep=""), suffix='.time', cov.times=0:ncov, common.times=TRUE, lag=0){ vlag <- function(x, lag) c(rep(NA, lag), x[1:(length(x)-lag)]) xlag <- function(x, lag) apply(as.matrix(x), 2, vlag, lag=lag) all.cov <- unlist(cov) if (!is.list(cov)) cov &lt...
2020 Mar 22
3
Tasa variación diaria COVID-19
Eric ¿Que dataset utilizo? Por curiosidad probé su código, pero me salen errores. Copio y pego todo como me sale en la consola. > # https://raw.githubusercontent.com/datasets/covid-19/master/data/time-series-19-covid-combined.csv > datos <- read.csv("C:/Users/HP/Downloads/time-series-19-covid-combined.csv") > > library(data.table) > library(ggplot2) >