carly | Generate beautiful letters for your loved ones

Going by the text of your question, I think you are looking for a way to selectively update the value of the column named word in a data frame called freq using a specialized function to find a replacement value, but only for rows where the value of tf is below a set threshold. For that, here's an example using a tidyverse approach, with some simplifications with regard to your word replacement algorithm.

settings.py:

Note:

• It sounds like you ultimately need a regex to extract the substring of interest, as shown in Theo's helpful answer.

• This answer shows a simplified approach based on the assumption that the substring of interest is always the last whitespace-separated token in the column of interest.

Use Import-Csv, extract the column values of interest (column Base Store Code), and extract the last whitespace-separated token from each, which the unary form of -split, the string-splitting operator allows you to do (index [-1] returns the last element of the resulting array):

This is a typical assignment problem where you are assigning person p to job j. So, you need to update your formulation to have a double indexed decision variable, x[p, j]. Then things will start to make more sense... :).

You can then sum across all jobs to ensure each person has no more than one assignment (in pseudocode... my R syntax is terrible):

Instead of using the accumulator to sum multiple numbers it basically calculates the age of each person as it loops over each object and if that person is older than the previous person it returns that person's object as the next value of the accumulator, so ultimately the final returned value will be the oldest person. It might help to add some console.logs like:

You can use reduce, and use the current year for people without a death date:

Boiling down your example to the essentials:

For reduce to work, you'd have to either re-calculate the age of the accumulator every time (somewhat inelegant), or save it in an outside variable. Then, return inside the callback depending on whether the accumulator or the current item being iterated over has the greater age:

Seems typo: instead of calling query with name you calling with movie_name. Which does not match with req.query.name; in express js.

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