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I'm trying to speed up a script that otherwise takes days to handle larger data sets. So, is there a way to completely vectorize the following script: # k-fold cross validation df <- trees # a data frame 'trees' from R. df <- df[sample(nrow(df)), ] # randomly shuffles the data. k <- 10 # Number of folds. Note k=nrow(df) in the leave-one-out cross validation. folds <- cut(seq(from=1, to=nrow(df)), breaks=k, labels=FALSE) # creates unique numbers for k equally size folds. df$ID <- folds # adds fold IDs. df[paste("pred", 1:10, sep="")] <- NA # adds multiple columns "pred1"..."pred10" to speed up the following loop. library(mgcv) for(i in 1:k) { # looping for different models: ...
Factio Communistica Unionis Sovieticae Коммунистическая партия Советского Союза Factio condita 1898 ut Russica Social-Democratica Operaria Factio Factio soluta 1991 Ideologia Communismus Civitas URSS Factio Communistica Unionis Sovieticae (Russice: Коммунистическая партия Советского Союза, tr. Kommunističeskaja partija Sovetskogo Sojuza ) vel breve FCUS (Russice: КПСС, tr. KPSS ) erat sola et regnatrix factio politica Unionis Sovieticae. Historia | Hac in domo erat prima sessio Factionis Russicae Social-Democraticae Operariae, anno 1898. Anno 1898 condita est "Russica Social-Democratica Operaria Factio" (Российская социал-демократическая рабочая партия, Rossijskaja social-demokratičeskaja rabočaja partija , breve РСДРП, RSDRP ), quae anno 1903, in congressu suo secundo, divisa est in "bolsevicos" (большевики, bol'ševiki ), a Vladimiro Lenin ductos, et "mensevicos" (меньшевики, men'še...
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why the year variable is not modified ? For example i subtract 1 from year variable but it is not reflected in the global variable why ? This is a program to check your age but it is giving the output age + 1. My Javascript code is as follows:
var currentAge = function(birthDay, birthMonth, birthYear) {
var birthDay, birthYear, birthMonth;
var yearDiff, lst, day, year, month;
var date = new Date();
day = (date.getDate());
year = (date.getFullYear());
month = ([date.getMonth()] + 1);
var daysPresent = function(birthDay) {
if (day >= birthDay) {
return (day - birthDay);
} else if (day < birthDay) {
day += 31;
month -= 1;
return (day - birthDay);
}
};
var monthsPresent = function(birthMonth) {
if (mont...
