age <- 22;
name <- "janniclas";

numbers <- seq(1:10);
alphabeth <- LETTERS;

# print(class(22));

even <- numbers[numbers %% 2 == 0];
smaller <- numbers[numbers < mean(numbers)];

# cat("Sum:", sum(numbers[numbers < mean(numbers)]), "\n");
# cat("Sum:", sum(numbers < mean(numbers)), "\n");
# cat("Correct Sum:", sum(smaller), "\n");

# print(numbers < mean(numbers));

infos <- c(name=name,age=age,sex="male");
print(infos["name"]);

matrix <- array(seq(1:9), dim = c(3, 3));
# print(class(matrix));

x <- 1:50;
exercise <- sapply(1:2, function(y) mean(x[y+2*(0:49)]));
# print(exercise);

vect <- array(rep(1, 10), 10);

x <- 1:100;
# print(x > 10);
# print(mean(x > 10));
# print(mean(x[x > 10]));

doomsday <- as.Date("2012-12-12");
doomsdays <- weekdays(seq(as.Date("0000-12-12"), by="year", length.out = 2022));
weekdays <- weekdays(seq(as.Date("19-02-2024"), by="days", length.out = 7));

calc <- sapply(weekdays, function(y) sum(doomsdays == y));
count <- calc[2];

x <- 2*(1:5);
print(x);