Is there any way to remove NA values from a vector?

If we have a vector consisting of lot values with NA values, how to remove it?

Suppose I have to sum the vector without including NA values? Apr 23, 2018 9,688 views

## 4 answers to this question.

To calculate sum we can use "sum()" Func by passing argument "na.rm=TRUE"

```x<-c(1,23,45,NA,155,78,NA)

sum(x,na.rm=TRUE)```

Want to remove NA from the vector

`x<-x[!is.na(x)]` answered Apr 23, 2018 by
• 1,720 points
`data = data[!is.na(data)]\` answered Apr 5 by anonymous
Yup!! Very accurate to remove NA values.
using the function "complete.cases"

for example, if you want to remove the NA in dataset ,

> x <- c(1, 2, NA, 4, NA, 5)
> y <- c("a", "b", NA, "d", NA, "f")
> good <- complete.cases(x, y)
> good
 TRUE TRUE FALSE TRUE FALSE TRUE
> x[good]
 1 2 4 5
> y[good]
 "a" "b" "d" "f"

above is from coursera lecture R from Professor Peng answered Jun 18 by anonymous
That's a nice way to go about it. It's an unusual approach but got the same expected output. Thanks  When you view y1,y2, they would be shown as below. It would show you rows with indices and those with nulls. answered Jul 31 by anonymous
• 32,260 points

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