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Questions tagged [find-occurrences]

435 questions
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3 answers

Show count of occurrences when smart highlighting in Notepad++

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 touching a word and in the tool bar it instantly says…
embert
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Create counter within consecutive runs of values

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 find an example of input and expected output…
Richard
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Count occurrences of a value in a column of an array of object arrays

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+0000 ) [1] => stdClass Object ( [type] => photo [id]…
Georg
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3 answers

Print 10 most frequently occurring words of a text that including and excluding stopwords

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 w in text if w.lower() in stopwords] …
user2064809
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6 answers

Count occurrences of value in a set of variables in R (per row)

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 value in a set of variables. For example the number of…
nilsole
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12
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Find the position of the first occurrence of any number in string

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('/^[^\-]*-\D*/', $text, $m); return…
Gasper
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8
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4 answers

Bash: substring from first occurrence of a character to the second occurrence

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 = "-" Desired Output String = "def"
Stephen Walsh
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8
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1 answer

How to replace all occurences except the first one?

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 REPLACED mouse REPLACED' s1='cat1 WORD dog1 REPLACED' I…
Ooker
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8
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Match a pattern only once

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 stuff after foo?
wawiwa
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How to calculate a (co-)occurrence matrix from a data frame with several columns using R?

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 interaction between countries. However, I want to count the…
Seb
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Find Number of times a particular character appears in a string using MDX query

In the Microsoft SSAS, I have a dimension column that contains multiple values separated by the special character | in a single row as below. Example value of a row: Image|Video|Audio| Requirement: So, I need to count the number of values present in…
Sathish G
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3 answers

How to compute similarities based on co-occurrence matrix?

I have an item-item matrix (1877 x 1877). The values in the matrix represent the number of times two items occurred together. How can I determine the similarities between two items? Through reading, i found few options. However i am not sure about…
kitchenprinzessin
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python 3.4 Counting occurrences in a .txt file

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 requests input like it should and seems to run great!…
Qwastic
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adding a column to df that counts occurrence of a value in another column

What I am trying to do is adding a column by "places" that count the id occurrence in the whole column "id' : id <- c(204850, 204850, 204850,312512,312512,452452,285421,758412,758412,758412) places <-…
nomi
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How can I find start and end occurrence of character in Python

I have a dataframe df with the following ids (in Col). The last occurrence of A/B/C represents the start, and the last occurrence of X is the end. I should ignore any other A,B,C between start and end (e.g. rows 8 and 9). I have to find start and…
ckp
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