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Questions tagged [find-occurrences]

435 questions
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C - Function that counts the number of occurrences of an element in a randomized array

I'm kinda new to programming overall and are currently programming in C, and I'm currently working on a program that first randomizes 10 numbers that are put into an array and prints them out on the screen, and then let the user enter an integer and…
ConfusedChicken4
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The occurrence of the biggest number in a list

So, after searching the internet for hours, though I found some related stuff, still could not find what I am looking for. In my code I provide 6 inputs. After that input I have managed to insert them into a list(), and find the biggest number with…
neverbeagod
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Count each occurrence of each element in a string

I would like to count occurrences for each single character in a string and output them to a dataframe. Here is my try: q.data<-data.frame(number=1,string=c("COUNTTHESECHARACTERS")) q.data[,3]<-string.counter(strings=q.data$string,…
user2904120
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Python calculate co-occurrence of tuples in list of lists of tuples

I have a big list of lists of tuples like actions = [ [('d', 'r'), ... ('c', 'e'),('', 'e')], [('r', 'e'), ... ('c', 'e'),('d', 'r')], ... , [('a', 'b'), ... ('c', 'e'),('c', 'h')] …
jcosta
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Find multiple occurrences of words in a string and store the respective staring indices

BACKGROUND I have a string of text and a hash set that contains words that i am looking for. Given String doc = "one of the car and bike and one of those"; String [] testDoc = doc.split("\\s+"); HashSet setW = new…
Dinero
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Find an occurrence in a table column using panda

I'm a complete beginner using Python and I'm trying to find a way to know how much Female and Male I have in my table. I've imported my table and printed it but don't know how to find occurrences in my columns tableur =…
AmZaliAn
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How to find most occurring elements in a list when there are many such elements?

I am working on a problem that returns maximum occurring elements in a list. I am able to achieve this using mode in statistics. But when there are more than one element that repeats most, the mode function is throwing StatisticsError. How do I get…
user10849817
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MS Excel: Find First Occurrence of Specific Text within a String Using Column Range List

Using a MS Excel formula that finds and extracts the very first (1st) instance/occurrence of a specific word found within a Column range of Keywords. In Cell A2 I have a sub-string of text containing the following: Karen was born in Akron, OH and…
Miaka3
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R add newlines to every nth occurrence of blank

Mytext is a long string delimited by blank space. Mytextsample <- "aaaaabb cccdddd eee adssdada ooeoeo ososs ksdkd ooeresso osososososos krrr dkdkkd odlcjs kdcmcmc ddddd dmssss" I tried to add a new line every 10th blank using regular…
Hwang
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Replace second occurrence of a string in one column based on value in other column in R

Here is a sample dataframe: a <- c("cat", "dog", "mouse") b <- c("my cat is a tabby cat and is a friendly cat", "walk the dog", "the mouse is scared of the other mouse") df <- data.frame(a,b) I'd like to be able to remove the second occurrence of…
carozimm
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How do I get the number of occurrences of a list of words (substrings) in a pandas dataframe?

I have a pandas data frame with approximately 1.5 million rows. I want to find the number of occurrences of specific, selected words (which are all known) in a certain column. This works for a single word. d =…
dnclem
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How do I return the first index/occurrence of a last name (a given string) using Binary Search?

I am working on an assignment for my class and the goal of this function is to use Binary Sort on an array of a struct, and return the index of the very first location that a last name is found (even if there are multiple last names, just return the…
Scranton Branch
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Counting occurrences of a specific element in list after a character in Prolog?

So with this code I believe I'm quite close but I think I messed it up when trying to count 'w' in a list only after a 'b' and not before. For example h1([w,w,b,w,b,b],H) would succeed with H=1. EDIT: I believe my base cases are correct. But the…
TubaShark
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Check if set of items occurrs in row MySQL

I am working with big datasets in MySQL (combined with Java) and trying to implement a Frequent Itemset algorithm. A recurring aspect of the algorithm is counting how many times a set of items (an item is a random integer) occurs in the dataset.…
DataWarrior Niño
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replace every second word with the word 'hello' using a function

Im new to python and programming. I have been given a task to complete that asks the following question: Create your own function that takes in a sentence and replaces every second word with the word “Hello” my approach was to separate the sentence…
Kevin
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