Removing space between numeric values in R

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My list consist values as shown.

[1] 1 1 1 0 1 1

[1] 0 0 0 0 1 0

[1] 0 0 0 0 1 0

I need to convert this binary values to decimal. I am using BinToDec() function. But here values are space separated. How to get the values like 111011, 000010 etc in that list. I have tried with gsub, but it removes spaces in string. Thanks!

Try using gsub with lapply to remove all whitespace:

BinToDec <- function(x) 
    sum(2^(which(rev(unlist(strsplit(as.character(x), "")) == 1))-1))

lst <- list("1 1 1 0 1 1", "0 0 0 0 1 0", "0 0 0 0 1 0")
unlist(lapply(lst, function(x) BinToDec(gsub("\\s+", "", x))))

[1] 59  2  2

I took the above BinToDec function from this SO answer, which maybe is also where you saw it.


If you actually have a list of integer vectors, then use this option:

lst <- list(c(1,1,1,0,1,1), c(0,0,0,0,1,0), c(0,0,0,0,1,0))
unlist(lapply(lst, function(x) BinToDec(paste(as.character(x), collapse=""))))

[1] 59  2  2


Removing Space From Strings in R Programming, This lesson will discuss the use of removing spaces from a string. Extra spaces at the beginning, end, even in the middle; Trying to count the number of tell you seven because it counts the spaces in the front, end, and between all letters. a space (32 in decimal) is lower than either the ASCII value for the letter 'A' (65 in  Extract only numeric values from text; Remove escaping characters and extra spaces from text; Detect (or find) specific characters from text; Replace specific characters with something else; Recode or Map to pre-defined values; Split text data into multiple values and count them; Concatenate (or combine) text values from multiple columns[[i]]),collapse = "")) solves the issue.

[Solved] How Do I Remove The Space Between Numbers , It's difficult to remove the space between numbers with String.Replace or String.​Trim, because they are remarkably dumb methods: they just  Missing values in data science arise when an observation is missing in a column of a data frame or contains a character value instead of numeric value. Missing values must be dropped or replaced in order to draw correct conclusion from the data. In this tutorial, we will learn how to deal with missing values with the dplyr library. dplyr

Package (StringR)

The code below allows to find certain character and remove or replace

Code str_replace_all(x, " ", "")

related to you

str_replace_all(list, " ", "")


str_replace_all(Dataset, "character you are looking up ", "replacement character ")

If only for a certain row be sure to do the following

str_replace_all(Dataset$Row, "character you are looking up ", "replacement character ")

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R tips: 16 HOWTO's with examples for data analysts, Warning: Empty spaces in (column) variable names or in variables often cause troubles! find the number of students majored in maths (​no_of_maths_majored_students Example 2: Removing leading/trailing and in-​between spaces. Remove space from string. Dear R users, I have some trivial query. I have a string, I want to remove space from the string. For eg. Input: a <- " Remove space " Output

Programming and Problem Solving with Java, Nell B. Dale, Chip Weems, Mark R. Headington You should avoid unnecessarily mixing values of these types within an expression. String Conversion Just as Java attempts to convert between numeric types when we mix String conversion of numeric values doesn't add any space around the digits of the number . Re: Removing Spaces from Character or Numeric variable Posted 08-08-2008 (11893 views) | In reply to sbb For example, not having seen your code, if you are using a PUT statement in a DATA step, you must also code +(-1) to suppress the implicit blank (equivalent of back-up one space) between variables unless you have an explicit format length in

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