Let’s say, I have the following two columns of data, and now, I want to generate a list of all possible combinations based on the two lists of values as left screenshot shown. In the new column I'd like to add a 1 beside all the existing rows. Ask Question Asked 5 years, 2 months ago. Change the custom function to: =Combinations(B3:B12,5) ... (Each man should do all 9 tasks). My question is how to create such a data frame. I have a dataframe df with two columns x and y. I want to count the number of times a unique x, y combination occurs. How to rank an aggregation in each newly formed group? The columns are labelled by the factors if these are supplied as named arguments or named components of a list. ddply to count frequency of combinations. How to join all combinations from two tables with a common column. Is there a way in Stata or R to automatically check all combination of interactions ... x1, x2 and x3 defined as columns in the data ... (lme) in R software. 0. Hi! combn(28,14) requires a … Create a data frame from all combinations of the supplied vectors or factors. Active 5 years, 2 months ago. Add more ingredients to column B. It is very easy for the number of combinations to get so large that it is not possible to store the result of the combn function, e.g. List or generate all combinations of 3 or multiple columns in Excel. I've a data frame with n rows, and I want to apply a function on all possible combinations of k rows of this data frame. See the description of the return value for precise details of the way this is done. Caution: The number of combinations and permutations increases rapidly with n and r!. To use values of n above about 45, you will need to increase R's recursion limit. To find the possible combinations I'd typically use the combn function. Combinations of values in two columns I have data that looks like this: Friend1, Friend2 A, B A, C B, A C, D And I'd like to generate some more rows and another column. 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