Let's say I have a data frame with 10 numeric variables V1-V10 (columns) and multiple rows (cases). What I would like R to do is: For each case, give me the number of occurrences of a certain valu...

I am writing a "simple" little program for a class i am taking. this is supposed ask me for what team to search for and then return the number of times it appears on the list in a .txt file. it req...

I want to find out how many time a specific words occur in a String JavaScript, or we can say the total amount of matched/match word with the complete sentence string in JavaScript. query = "f...

I'm a rookie in R and currently working with collaboration data in the form of an edge list with 32 columns and around 200.000 rows. I want to create a (co-)occurrence matrix based on the interacti...

Can someone help me with algorithm for finding the position of the first occurrence of any number in a string? The code I found on the web does not work: function my_offset($text){ preg_match('/...

I wish to create a sequential number within each run of equal values, like a counter of occurrences, which restarts once the value in the current row is different from the previous row. Please fi...

Is it possible to show the number of occurrences of words which are smart highlighted? I mean when you double click on a word. In Matlab e.g. smart highlighting is activated by having the cursor t...

In bash, how do I get a substring of everything from the first occurrence of a character to the second occurrence of the same character. Example... Input String = "abc-def-ghi" Character = "...

Does anyone know how to count the occurrences of "photo" in this array: Array ( [0] => stdClass Object ( [type] => photo [id] => 1404781893036 [created_time] => 2012-03-02T07:58:23+...

I got the question from here with my changes. I have following code: from nltk.corpus import stopwords def content_text(text): stopwords = nltk.corpus.stopwords.words('english') content = [w for ...

How to replace all the repeated words except the first one in the string? That is these strings s='cat WORD dog WORD mouse WORD' s1='cat1 WORD dog1 WORD' will be replaced to s='cat WORD dog RE...

I have a string foo-bar-bat.bla I wish to match only foo My flawed pattern matches both foo and bar \w+(?=-.*\.bla) How do I discard bar? Or maybe even better, how could I stop matching stuf...