normalize | Normalizes nested JSON and Denormalizes normalized data | JSON Processing library
kandi X-RAY | normalize Summary
kandi X-RAY | normalize Summary
Normalizes nested JSON and Denormalizes normalized data to origin JSON.
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Trending Discussions on normalize
QUESTION
Running this code to normalize json:
...ANSWER
Answered 2021-Jun-15 at 10:59This is not consumed by json_normalize
directly (after my tries). Since the number of BUY
and SELL
are different, and these record do not neccessarily should match each other (located on a same row), suggestions is to split into two dataframes and then concatenate.
QUESTION
i have tried the below code to normalize JSON, but getting error - " AttributeError: 'int' object has no attribute 'values'"
Code:
...ANSWER
Answered 2021-Jun-15 at 03:07If you check the help of pd.json_normalize(...)
, it says
QUESTION
I have a list of titles that I need to normalize. For example, if a title contains 'CTO', it needs to be changed to 'Chief Technology Officer'. However, I only want to replace 'CTO' if there is no letter directly to the left or right of 'CTO'. For example, 'Director' contains 'cto'. I obviously wouldn't want this to be replaced. However, I do want it to be replaced in situations where the title is 'Founder/CTO' or 'CTO/Founder'.
Is there a way to check if a letter is before 'CXO' using regex? Or what would be the best way to accomplish this task?
EDIT: My code is as follows...
...ANSWER
Answered 2021-Jun-14 at 19:09What you want is a regex that excludes a list of stuff before a point:
QUESTION
I have a python code that I can add multiple rectangles on a QGraphicsScene.
...ANSWER
Answered 2021-Jun-14 at 18:46There are several options:
setBackgroundBrush():
QUESTION
I have put example dataset (df), expected output (df2) and my code so far below. I have a df where some rows in column i2 contain a list - in the json format, which need exploding and reinserting back into the df, from the row in which they were extracted. But the need to be inputted into a different column (i1). i need to extract a unique identifier (the 'id_2' value) from the string and insert that into the id_2 column.
in my code so far i am parsing the json-like data with pd.normalize, and then inserting the original string from the column i1 onto the top of the extracted strings (it should be much more clear if you take a look below) and then reinsert them based on the index. But I have to specify the index, which is not good. I would like it to be less dependent on manual input of indices in case it changes in the future with more of these nested cells or somehow the index changes.
Any suggestions are very welcome, thanks so much
example data
...ANSWER
Answered 2021-May-25 at 17:52Explode
the dataframe on column i2
, then retrieve the values associated with key item
from the column i2
using the str
accessor, then using indexing with loc
update the values in column i2
to 1
and concatenate the strings in i1
with the retrieved item values
QUESTION
I have the following dataset and I want to compute all possible combinations of cross-tabulations in the most efficient way, I have been able to calculate pairs against one master variable, but not for all possibilities (i have popped what i mean in below). Is there a way to get this all in loop that could handle any number of columns? Thanks so much!
data
...ANSWER
Answered 2021-Jun-10 at 15:09Try with the itertools recipe for a powerset
and modify to only keep combinations of length 2 or greater:
QUESTION
i'm trying to use Custom Directives in vue.js 3 from the documentation, and i use the example that in the documentation but i've these errors:
- 'Vue' is not defined.
and when i remove "vue" from the Directive code these errors show in the console:
- Uncaught (in promise) TypeError: Cannot read property 'created' of undefined
- Uncaught (in promise) TypeError: Cannot read property 'parentNode' of null
I think these error cuz i use vue version 3 but i'm using Custom Directives that in Vue vesion 3 from documentation
main js:
...ANSWER
Answered 2021-Jun-14 at 12:13There's no object or function called vue
in Vue 3 , to register a global directive just you the app instance already defined like :
QUESTION
I have a pyTorch-code to train a model that should be able to detect placeholder-images among product-images. I didn't write the code by myself as I am very unexperienced with CNNs and Machine Learning.
My boss told me to calculate the f1-score for that model and i found out that the formula for that is ((precision * recall)/(precision + recall))
but I don't know how I get precision and recall. Is someone able to tell me how I can get those two parameters from that following code?
(Sorry for the long piece of code, but I didn't really know what is necessary and what isn't)
ANSWER
Answered 2021-Jun-13 at 15:17You can use sklearn to calculate f1_score
QUESTION
I'm sorry for the basic question but I'm struggling a bit with 3NF. This is the table I'm talking about:
User (Nickname, Email, Password, Name, Surname, DocumentId, Telephone, Avatar, Biography)
I think this table is not normalized in the third normal form because there are several functional dependencies due to the two candidate keys (DocumentId and Telephone):
- DocumentId -> Nickname, Email, Password, Name, Surname, Telephone, Avatar, Biography
- Telephone -> Nickname, Email, Password, Name, Surname, DocumentId, Avatar, Biography
Am I wrong? I am not so sure about the correctness of these functional dependencies. Are they correct? Also, how can I normalize this table?
Edit:
To specify, 2 users can't have the same DocumentId, the same Email and the same telephone number.
So this should be another functional dependency:
- Email -> Nickname, Password, Name, Surname, DocumentId, Avatar, Biography, Telephone
ANSWER
Answered 2021-Jun-13 at 22:10https://en.wikipedia.org/wiki/Third_normal_form "A database relation (e.g. a database table) is said to meet third normal form standards if all the attributes (e.g. database columns) are functionally dependent on solely the primary key. Codd defined this as a relation in second normal form where all non-prime attributes depend only on the candidate keys and do not have a transitive dependency on another key."
From a list of attributes, no-one could possibly know whether your data is in some normal form. Where have you got this question? Is that all it tells you?
You don't tell us enough about the properties of your data, but I'm guessing from the attribute names that there are 'transitive dependencies'.
All of the attributes other than DocumentId
look like they relate to a person, so (for example) Email
would identify a person, and be as much a candidate key as Telephone
. Or might there be people with distinct Telephone
but sharing one Email
?
Whereas I'd expect there to be multiple documents/DocumentId
s for each person. Or is this a DocumentId
for some specific document (such as their biography -- but in that case what is attribute Biography
?)
BTW ref that quote from Codd: there doesn't have to be one key that's 'primary'. For 3NF there can be multiple keys, providing for each every other attribute is dependent. (Note also keys might be compound/not a single attribute.)
QUESTION
I have a uniform in my fragment shader and when I try to get the value of the location of the uniform, it returns null.
I checked the spelling and I don't find any spelling error and this uniform is also used in the shader code.
My error is:
error in getUniformLocation([object WebGLProgram], materialAmbient): uniform 'materialAmbient' does not exist in WebGLProgram("unnamed")
This is my code in WebGL to get a uniform location.
...ANSWER
Answered 2021-Jun-13 at 06:22The uniforms materialAmbient
, ambientLight
and specularLight
are not "used" in the shader program. They are not required to calculate the output outColor
(Actually materialAmbient
are ambientLight
use to calculate effectiveAmbient
. effectiveAmbient
, however is not used).
The compiler and linker optimize the program and removes unnecessary calculations and unnecessary variables. Therefore this variables become no active program resource and you cannot get the resource index (uniform location) for this variables.
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