All Questions
Tagged with pandas dictionary
4,818
questions
1
vote
2
answers
54
views
Pandas Map Dictionary with Multiple Values to Dataframe
I have the following dataframe:
data = [['BALANCED', 'Corp EUR'], ['YIELD', 'Corp USD'], ['GROWTH', 'HG CHF']]
df = pd.DataFrame(data, columns=['STRATEGY', 'ASSET_CLASS']
df
STRATEGY ...
- 173
0
votes
2
answers
50
views
Converting JSON list with multiple nested dictionaries to csv or excel
I have a JSON that I download from a website that has multiple nested dictionaries inside the main list. This is a very simplified version of it.
[
{
"id": 1,
"...
- 9
1
vote
2
answers
45
views
Unpack values from column, which consist of list of dictionaries
I have dataframe, which looks like this:
import pandas as pd
df = pd.DataFrame({"item_id": [1, 2, 3],
"item_properties":[
...
- 11
2
votes
2
answers
56
views
find value in column, which contains list and take another value from next column and put it in first table to new column
I have two tables
df1 = pd.DataFrame([{'a': 1}, {'a': 2}, {'a': 8}])
df1['b'] = ""
df2 = pd.DataFrame([{'e': [1,2,3], 'f': 1},{'e': [4,5,6], 'f': 2},{'e': [7,8,9], 'f': 3}])
e f
I ...
- 23
1
vote
1
answer
37
views
Can't access local dataframe from dictionary comprehension expression [duplicate]
I am using dictionary comprehension to compare each dataframe from within a dictionary to its corresponding dataframe in locals(). For some reason, I am getting a key error when accessing the locals()...
- 1,052
-3
votes
0
answers
33
views
Counting OTPs by Sender, Missing first four OTPs from Senders(first) even if the sender has more than 5 Counts
import re, csv
import pandas as pd
class OTPAnalysis:
def __init__(self) -> None:
self.total_otp = []
self.count = 0
self.df = None
self.sender_count = {}
...
- 1
0
votes
1
answer
81
views
Why does converting a nested python dictionary into a pandas dataframe result in "has no attribute 'items' error?
I have a nested dictionary stored in the variable nested_dict_variable.
The dictionary is retrieved by using SPSS valueLabels Property (Python)
type(nested_dict_variable) results in dict.
print(...
- 105
1
vote
1
answer
54
views
Creating a column based on column values and dictionaries using vectorization in pandas
I have three columns in a pandas dataframe A, B, and C. I also have 3 dictionaries, dict_A, dict_B, dict_C that have all values of A, B, and C as keys in each respective dataframe. I am trying to ...
- 69
0
votes
1
answer
36
views
Pandas Dataframe apply function multiple columns
product_code base_price promo_type q_bef q_aft
0 P11 190 50% OFF 34 52
1 P03 156 25% OFF 393 322
2 P07 300 ...
1
vote
1
answer
46
views
Fill Column Values using a dictionary and pattern matching
I am working on categorizing credit card transaction. Right now I am using a dictionary combined with np.select() as follows:
def cat_mapper(frame, targ_col, cat_col):
...
- 75
0
votes
0
answers
43
views
how to get list of values from nested panda dictionary and insert it in to a column [duplicate]
I have a nested dictionary which looks like following:
{'NSE_FO:NIFTY28DEC21000CE': {'ohlc': None,
'depth': {'buy': [{'quantity': 0, 'price': 0.0, 'orders': 0},
{'quantity': 1, 'price': 3.0, '...
- 91
0
votes
3
answers
65
views
CSV data format to nested dictionary
I have below csv format. I want it to convert some nested dict.
name,columns,tests
ABC_ESTIMATE_REFINED,cntquota,dbt_expectations.expect_column_to_exist
ABC_ESTIMATE_REFINED,cntquota,not_null
...
- 118
1
vote
1
answer
77
views
How to get the values of a dictionary type from a parquet file using pyarrow?
I have a parquet file which I am reading with pyarrow.
In [83]: pq.read_schema('dummy_file.parquet').field('dummy_column').type
Out[83]: DictionaryType(dictionary<values=string, indices=int32, ...
- 462
2
votes
4
answers
82
views
converting a dataframe to dictionary in python?
I have a dataframe like below:
id|title|url|timed
2|xyz|www.xyz.com|2024-02-01T00:00:00Z|
3|ghy|NaN|2024-03-05T00:00:00Z|
4|None|NaN|2024-04-05T00:00:00Z|
56|ghy|www.ghy.com|2024-05-05T00:00:00Z|
...
- 43
0
votes
1
answer
32
views
Convert a dataframe with lists to a dictionary [duplicate]
I have a dataframe that contains a identifier and list in each cell. The idea is to create a dictionary in which the keys are the identifiers and the values are a list with the elements that appears ...
