Comparing differences between two dataframes in R
I'm following the solution provided in Determining different rows between two data sets in R but the R code doesn't seem to work (getting no results) and I'm not sure why. Can someone help to explain...
View ArticleSet difference versus set subtraction
What distinguishes - and .difference() on sets? Obviously the syntax is not the same. One is a binary operator, and the other is an instance method. What else?s1 = set([1,2,3])s2 =...
View ArticleDetermine Differences between Items in a List
I have several data frame that have a list of gene names without a header. Each files roughly looks like this:Table...
View ArticleHow to remove some filenames from the list of all filenames in that folder
I created in Stata a list of all files in a folder with the following:global file_all : dir "$outputsFolder" files "*.dta"However, I want to remove two files from this list. I wish to create another...
View ArticleHow to fill empty data with zeros?
After going through some previous answers I found that I could use this code to fill missing values of df1[0] which range from 340 to 515,with open('contactasortedtest.dat', 'r') as f: text =...
View ArticleMulti-permutation data comparison in R
I have been comparing the common elements in multiple datasets and have been having great success with a small number of sets. However, I want to compare a larger number of datasets and I am trying to...
View ArticleTwo lists - removing elements (difference)
I have this classclass Accounts: def __init__(self, id, name, date): self.id = id self.name = name self.date = dateand two lists of this classesaccounts = []expired_accounts = []I want to delete...
View ArticleHow to find nonmatching colnames in 2 dataframes?
I have 2 data frames with colnames as dates.eg:2020-01-01, 2020-01-02 and so on.Some dates are missing from the second dataframe, hence different column length. I want to find out which dates are...
View Articlesetdiff() showing no data in r
Trying to use a decision tree to predict drug classes, when I set a seed and then set the sample_frac() for my training data & then use setdiff() for my test data im seeing my data within the...
View ArticleSelect rows from one data.frame that are not present in a second data.frame
I have two data.frames:a1 <- data.frame(a = 1:5, b=letters[1:5])a2 <- data.frame(a = 1:3, b=letters[1:3])I want to find the rows a1 have that a2 doesn't.Is there a built in function for this type...
View ArticlePython sets: difference() vs symmetric_difference()
What is the difference between difference() and symmetric_difference() methods in python sets?
View ArticleMySQL: difference of two result sets
How can I get the set difference of two result sets?Say I have a result set (just one column in each):result1:'a''b''c'result2:'b''c'I want to minus what is in result1 by result2: result1 - result2...
View ArticleWhy is the Groovy method minus() so slow with lists of numbers?
Let's say I have two lists left and right of size n, each with unique integers, and I want to find the intersection and differences. This should be able to be done in O(n) or O(nlog(n)). This is how I...
View ArticleGet distinct list between two lists in C#
I have two lists of strings. How do I get the list of distinct values between them or remove the second list elements from the first list? List<string> list1 = {...
View ArticleWhat is the fastest or most elegant way to compute a set difference using...
Let A and B be two sets. I'm looking for really fast or elegant ways to compute the set difference (A - B or A \B, depending on your preference) between them. The two sets are stored and manipulated as...
View Articledifference of two sets of intervals
i'm trying to write some code to calculate the difference of two sets of intervals A - B , Interval endpoints are integers , but i'm strugling to come with efficient solution , any suggestion would be...
View ArticleHow can I find the length of row-wise set differences between two list...
I'm trying to take the row-wise set difference of two different list columns. So, line 1 column A would be a list of IDs for one year (m_lag), and line 2 column A would be a different list of IDs for...
View Articlesetdiff() on grouped variables
I want to compare groups of variables to an external list (vector "Valid_codes").Consider the following exampleID<-c("Carl",...
View ArticleGet difference between two lists with Unique Entries
I have two lists in Python:temp1 = ['One', 'Two', 'Three', 'Four']temp2 = ['One', 'Two']Assuming the elements in each list are unique, I want to create a third list with items from the first list which...
View ArticleComparing string differences between two columns in the same row in R, then...
I'm working on automating toxicology read-in and import for unique case IDs from flat .csv files in R/RStudio. I've been asked to generate a spreadsheet that compares the differences between the manual...
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