Relative Error Puns

https://preview.redd.it/c42i7j5vtw981.png?width=1103&format=png&auto=webp&s=aa7565f82be4aa621dd22dce062d53b3c0ac5e3e

Tilt: <1

Lean: 1-5

Likely: 5-10

Safe: 10+

Hello EGSnrc developers and users,

Based on egs_cbct studies, the "mean relative error" must be smaller than the "statistical uncertainty" when using VRT to ensure that no bias is introduced in the results.

1. Does egs_cbct readily calculates the mean relative error or do I have to calculate it myself using the formula presented in the studies?

2. Is the statistical uncertainty mentioned above the same with the uncertainty per batch being shown in output screen during simulation run? Also, what is the difference between "average error of scatter signal" and "mean ave. scatter error"?

Thank you very much!

Hi! I'm here to know if there are other people with this problem... Like I said, I'm in Mannshire at Lvl 14, and I'm trying to accept the Troll Hunt quest...after all the talking, if I open the map and pass the mouse's cursor on the Troll Map Hex, my game gone mad and crush, with a message of error...Someone had this kind of error, and find a way to resolve it? Help pls

https://preview.redd.it/54yuz3wsgt281.png?width=598&format=png&auto=webp&s=396f03638902004740ad54546c1381d9181c6619

I understand what relative and absolute uncertainties are, but I am completely lost on how to find their equations (1b). Help on any of the other questions would be appreciated, but it's 1b that I've been spending hours on. Also, what does the sigma mean in this circumstance?

https://preview.redd.it/6td1u1vtouk71.png?width=536&format=png&auto=webp&s=48634fb1b7fafaf6284ba32aa06da364b0af836e

So i noticed, that if i open up my project an the repo root folder pylance is not able to detect other folders with __init__.py files and showing unable to import errors. But if i open up the project at the source folder pylance throws no errrors in terms of imports.

Does anyone had this error before of anyone got an idea how to fix this problem?

with error

no errors

My file tree looks like the link below.

https://imgur.com/a/JnWnLTp

I set up my virtual enviroment by typing in powershell in visual studio code.

On Windows:

$ py -3 -m venv venv

On Windows:

&gt; venv\Scripts\activate

https://flask.palletsprojects.com/en/1.1.x/installation/

Then I click on the triangle button

https://imgur.com/a/WnLMf89

I click on flask

Then the default it gives is app.py I choose run.py

Is this correct?

Then I run the code and get the errors.

The thing that sticks out to me is

from .flaskapp.__init__ import create_app

ImportError: attempted relative import with no known parent package

I tried googling it and just cant seem to understand it can someone really simply explain the error.

run.py

from .flaskapp.__init__ import create_app.py
app = create_app 

if name == 'main': 
   app.run()

This is the __init__ .py from flakapp

__init__ .py

from flask import Flask 

import os  
# import users from  the other __init__.py in users
from ..flaskapp.users.__init__ import users

print(users)

# import User database from models.py
from ..flaskapp.users.models import User
# make SQLAlchemy work 
from flask_sqlalchemy import SQLAlchemy
# make login work
from flask_login import user_loaded_from_header, LoginManager
# make crf protection work 
from flask_wtf.csrf import CSRFProtect

def create_app(): 
    app = Flask(__name__) 
     # setup databases
    db = SQLAlchemy(app)
   
    # Setup CSRF protection. This allows html forms to work and be secure.  
    csrf = CSRFProtect(app)
    csrf.init_app(app)
  
    SQLAlchemy(app)
    # Make Login user work 
    login_manager = LoginManager() 
    login_manager.init_app(app)
    
    app.register_blueprint(users, url_prefix='/users')
    
    return app 

Errors

- - [26/May/2021 15:59:24] "GET / HTTP/1.1" 500 -

Error on request:

Traceback (most recent call last):

File "C:\Users\nmyle\OneDrive\Desktop\app\run.py", line 1, in <module>

from .flaskapp.__init__ import create_app

ImportError: attempted relative import with no known parent package

During handling of the above exception, another exception occurred:

Tr

Hello! we're upgrading to Airflow 2.0, and I see this error

AttributeError: 'dict_values' object has no attribute 'update_relative'

that I wasn't seeing in Airflow 1, see below:

>File "/usr/local/lib/python3.8/site-packages/airflow/models/baseoperator.py", line 1274, in set_upstream   
>
>self._set_relatives(task_or_task_list, upstream=True)  
>
>File "/usr/local/lib/python3.8/site-packages/airflow/models/baseoperator.py", line 1211, in _set_relatives   
>
>task_object.update_relative(self, not upstream) AttributeError: 'dict_values' object has no attribute 'update_relative'

I have a DAG whose task order looks like this at the bottom of our code:

load_sumdim_tables_to_snowflake.values() >> load_media_benchmarks_partition_table_to_snowflake

this is what the load_sumdim_tables_to_snowflake  task looks like:

    load_sumdim_tables_to_snowflake = {tname: SnowflakeQueryOperator(
        task_id=f'{val["sql"]}_query',
        sql=f'sql/{val["sql"]}.sql',
        retries=0,
        params={
            'partition_type': PARTITION_TYPE
        },

        pool='airflow', ) for tname, val in DFPUtil.sumdim_tables.items()}

Hello there, I solve different ordinary differential equations for the time with ode45. I got the options (and the whole scirpt) from another student but ask myself what the exact difference between those two options is? I played a little bit around with them and changed them but could not "see" an impact on the given solution.
And: When my absolute error tolerance is for exaple 1e-10 and the solution for the differential equations reaches values below that, are they accurate enough calculated to accept them?

You purchased 2.2 kg of apples from Wollaston. You noticed that they used a spring scale with the smallest division of 9.4 g to weigh them. What is the relative error in this weight measurement as a percentage?

According to the majority of analytical chemistry textbooks, relative error is calculated from absolute error, but is there any reason why an absolute value must be used? I feel that by removing the sign, we've lost potentially pertinent information regarding our analysis: whether we're under- or overshooting the expected value. Without this directionality, it can be significantly more difficult to recognize what needs troubleshooting and how to make the proper adjustments to the method.

Very few texts omit absolute value bars from the calculation.

##Structure

workfolder
|--__init__.py
|--testscript.py
|--somepkg
   |--__init__.py
   |--lib
      |--utils.py (misc functions)
      |--__init__.py

##what I've tried

----------------------------------------
-- interactive shell pycharm -
-- testscript.py
----------------------------------------

##1

from .somepkg.lib.utils import somefunc

>> ImportError: attempted relative import with no known parent package

##2

from somepkg.lib.utils import somefunc

>> ModuleNotFoundError: No module named 'somepkg'

##3

from . import *

>> ImportError: attempted relative import with no known parent package

##4

from . import somepkg

>> ImportError: attempted relative import with no known parent package

It's a non-image record from FamilySearch so I can't check the transcription myself. Full text below. Other records indicate Christian and Margaret were born in Bavaria, if that narrows down the possibilities at all.

Edit: I found a death record for William's brother that has an image. Still can't make out the text. Hopefully this link works: https://www.familysearch.org/ark:/61903/3:1:3QS7-89SV-BJ83?i=2677&cc=2001287

Illinois Deaths and Stillbirths, 1916-1947

Name: William Baum

Event Date: 03 Jan 1936

Event Place: Bloomington, McLean, Illinois

Gender: Male

Race: white

Age: 63

Birth Year (Estimated): 1873

Birth Date: 20 Mar 1872

Birthplace: Bloomington, Ill

Father's Name: Christian Baum

Father's Birthplace: Devan, Germany

Mother's Name: Margaret Ehrmantia...

Mother's Birthplace: Devan, Germany

Occupation: machinist

Residence Place: Bloomington, McLean, Illinois

Burial Date: 06 Jan 1936

Burial Place: Bloomington, McLean, Ill

Cemetery: Bloomington

I can't get the import operation to work.

import utils

import .utils

from utils import find_max

The above return the error, "name 'find_max' is not defined" The only one thats diffrent is

 from .utils import find_max

[This one returns an, "attempted relative import with no known parent package] (https://i.imgur.com/OWf3Qqv.png)

Here is what I am trying to do, the following is saved in a file named utils.py

 def find_max(numbers): 
     highest_number = numbers[0]
    for x in numbers:
         if x > highest_number:
             highest_number = x
     return highest_number

The program I am trying to run is the following.

 from .utils import find_max
 numbers = [1, 2, 3, 4, 5, 6]
 high_number = find_max(numbers)
 print(high_number)

EDIT: I also tried creating a init file.

Hello All,

I seem to have hit a wall where I create a range using conditional formatting and am hit with a "you cannot use relative references in conditional formatting criteria for color scales." As a newer, user I am unsure of ways around this and wanted to know if anyone else knew one.

Here is my situation

Objective:

I am trying to fill the color of cells L139:L149 based on the range players fit within their "Proj. Line" (K139:149) from green (lower salary) to red (higher salary).

Here are the ranges:

These are the ranges I will use for the minimum and maximum

Here is where "Proj. Line" can be seen from K139 to K149

https://preview.redd.it/qfpk1ce1hn051.png?width=1366&format=png&auto=webp&s=621295860e6966e990f96a0f0a06499588828e2c

Using the conditional formatting "Format all cells based on their values" on cells L139:L149, I created a 3-Color Scale where the minimum is set at 700,000 and maximum uses the following formula:

=Ifs($K139 = "Elite", 16000000,$K139 = "1st Line", 8000000, $K139 = "2nd Line", 6000000, $K139 = "3rd Line", 4500000, $K139 = "4th Line", 2000000, $K139 = "Depth", 1000000, $K139 = "Prospect", 925000)

But once I input the formula, this screen appears:

https://preview.redd.it/0byhdk11kn051.png?width=1366&format=png&auto=webp&s=8a41f5d40018200805d088de28f2a97ae3b9a008

Question:

Is there anyway around this? And if so, what would the solution be?

Hello guys, I have troubles sovling a problem and I would appreciate some help I consider a constant W and n objects of weight $w_1,...,w_n$ and value $v_1,...,v_n$. The objective is to determine a subset $S \subseteq {1,...,n}$ minimizing $\sum_{i\in S}v_i$ such that $\sum_{i\in S}w_i \geq W$.

I have a heuristic A to solve the problem. I renumber the objects such that $v_i/w_i <= v_j/w_j$ for all $i < j$. I find the smaller index i such that $\sum_{j\leq i}w_j \geq W$. I return $S = {1,...,i}$

I have to show there exists to constant k such that this algorithm is k-relative error approximation ($\nexists k such that \frac{A(I)}{OPT(I)} \leq (1+k)$. I think I have to create an instance of the problem where this k is part of the lower bound of this ratio but I can't find anything further. Thanks for the help !

I took the EPR exam a few months ago, and it worked fine. However, my sister is trying to take the exam and it's not letting her do it, giving her a 500 internal server error. She's called EDD on the phone and done everything they told her to, and it's still not working. What's going on?

Hi I'm getting this error and I'm using babel 6.24 version and not using webpack or any module bundler for that matter. I'm running a Windows 10 Machine. Can any one please help me resolve this