Skip to main content

Filtering a pandas dataframe based presence of substrings in column

Not sure if this is a 'filtering with pandas' question or one of text analysis, however:

Given a df,

d = {
    "item": ["a", "b", "c", "d"],
    "report": [
        "john rode the subway through new york",
        "sally says she no longer wanted any fish, but",
        "was not submitted",
        "the doctor proceeded to call washington and new york",
    ],
}
df = pd.DataFrame(data=d)
df

Resulting in

item, report
a, "john rode the subway through new york"
b, "sally says she no longer wanted any fish, but"
c, "was not submitted"
d, "the doctor proceeded to call washington and new york"

And a list of terms to match:

terms = ["new york", "fish"]

How would you reduce the the df to have the following rows, based on whether a substring in terms is found in column report and so that item is preserved?

item, report
a, "john rode the subway through new york"
b, "sally says she no longer wanted any fish, but"
d, "the doctor proceeded to call washington and new york"


source https://stackoverflow.com/questions/75390017/filtering-a-pandas-dataframe-based-presence-of-substrings-in-column

Comments

Popular posts from this blog

Where and how is this Laravel kernel constructor called? [closed]

Where and how is this Laravel kernel constructor called? public fucntion __construct(Application $app, $Router $roouter) { } I have read the documentation and some online tutorial but I can find any clear explanation. I am learning Laravel and I am wondering where does this kernel constructor receives its arguments from. "POSTMOTERM" CLARIFICATION: Here is more clarity.I have checked the boostrap/app.php and it is only used for boostrapping the interfaces into the container class. What is not clear to me is where and how the Kernel class is instatiated and the arguments passed to the object calling the constructor.Something similar to; obj = new kernel(arg1,arg2) or, is the framework using some magic functions somewhere? Special gratitude to those who burn their eyeballs and brain cells on this trivia before it goes into a full blown menopause alias "MARKED AS DUPLICATE". To some of the itchy-finger keyboard warriors, a.k.a The mods,because I believe in th...

Why is my reports service not connecting?

I am trying to pull some data from a Postgres database using Node.js and node-postures but I can't figure out why my service isn't connecting. my routes/index.js file: const express = require('express'); const router = express.Router(); const ordersCountController = require('../controllers/ordersCountController'); const ordersController = require('../controllers/ordersController'); const weeklyReportsController = require('../controllers/weeklyReportsController'); router.get('/orders_count', ordersCountController); router.get('/orders', ordersController); router.get('/weekly_reports', weeklyReportsController); module.exports = router; My controllers/weeklyReportsController.js file: const weeklyReportsService = require('../services/weeklyReportsService'); const weeklyReportsController = async (req, res) => { try { const data = await weeklyReportsService; res.json({data}) console...

How to show number of registered users in Laravel based on usertype?

i'm trying to display data from the database in the admin dashboard i used this: <?php use Illuminate\Support\Facades\DB; $users = DB::table('users')->count(); echo $users; ?> and i have successfully get the correct data from the database but what if i want to display a specific data for example in this user table there is "usertype" that specify if the user is normal user or admin i want to user the same code above but to display a specific usertype i tried this: <?php use Illuminate\Support\Facades\DB; $users = DB::table('users')->count()->WHERE usertype =admin; echo $users; ?> but it didn't work, what am i doing wrong? source https://stackoverflow.com/questions/68199726/how-to-show-number-of-registered-users-in-laravel-based-on-usertype