isin is a concept of checking if some value is contained in a list; That concept is used in Python with [pandas] and [numpy]
isin is a concept of checking if some value is contained in a list; That concept is used in Python with [pandas] and [numpy]
Questions tagged [isin]
147 questions
0
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1 answer
How can I assign columns from one data frame to another, when the ID is the same? Using isin() - Python
I am using python and pandas.
I have:
df1: df2:
|index | ID | |index | ID | name |
| 1 | 34 | | 1 | 35 | Astri |
| 2 | 35 | | 2 | 36 | Carlos|
| 3 | 36 | | 3 | 34 | Xim |
So, i want somthing…
Mhul
- 1
0
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2 answers
Is there a way to use pandas .isin() function with multiple lists?
classes money mask
student
6 psp -26.23 adj|psp # keep
6 tnt 0.00 adj|psp
6 nvm -87.42 adj|psp
6 alw 0.00 adj|psp
6 tnt -14.87 adj|psp
6 adj 9.55 adj|psp # keep
6 psp -18.56 …
Anna Whelan
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-1
votes
1 answer
Identifying if list of points exists in rectangle
I'm new to Python and trying to determine if a list of points is inside a rectangle. I think my issue might have to do with iterating on integers but I'm not sure how to resolve it.
However, I tried the following solution for a list of points and…
insectsongs
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-1
votes
1 answer
query() and isin() combination is not working in Kaggle notebook
I want to filter dataframe using .query() and .isin() functions in Kaggle notebook.
standard_stats=standard_stats.query('`Unnamed: 0_level_0_Player`.isin(["Squad Total","Opponent Total"])==False')
Unnamed: 0_level_0_Player is the name of the column…
beridzeg45
- 246
- 2
- 11
-1
votes
1 answer
Add new column with number of occurences (.isin) in other column
How can I count how often each value in the column substring occurs in the column string and append the result as a new column given this example dataframe:
df = pd.DataFrame({
'substring':['a', 'b', 'c', 'a', 'b', 'c', 'd', 'd', 'a']
'string':['a a…
hyhno01
- 177
- 8
-1
votes
3 answers
Add column if value is in another column of another dataframe
One of my dataframe is:
name value
0 Harry a
1 Kenny b
2 Zoey h
another is:
list topic
0 Jame, Harry, Noah topic1
1 lee, zee topic2
I want if any of the names of…
Tanishka Bansal
- 49
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- 10
-1
votes
1 answer
iterate through column to match with dict values
I have a dict similar to this:
dict = {'color':['red', 'blue', 'green'], 'fruits':['apple', 'banana', 'grape'], 'animal':['cat', 'dog']}
and df with two columns; text column with multiple strings:
index | text
-------------------------------
a …
enka
- 1
-1
votes
1 answer
Isin function skip correct value python
I am working with a response json file from a get API request. I have been able to figure out how to flatten the response and I want to filter the related dataframe by records containing pdf file extension only that I the will use to retrieve the…
Torakiki
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votes
1 answer
Add column containing list value if column contains string in list
I'm trying to scan a particular column in a dataframe, eg df['x'] for values which I have in a separate list list = ['y', 'z', 'a', 'b']. How do I make pandas load a new column with the list value if df['x'] contains any, or more than one of the…
KT6345
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-1
votes
2 answers
Check if multi index is in two dataframes
I have two dataframes with columns of state and regionname, and I'm trying to see if df2 is in df1, and add that column to df3
df1=
+--------------+------------+------+
| State | RegionName | Data |
+--------------+------------+------+
| New…
Michael Presser
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-3
votes
1 answer
Convert tIckers bloomberg into ISIN
I have a large list of bloomberg tickers for BE500 Index
but I need the ISIN or CUSIPS...
How can I get it?
Thanks
-3
votes
3 answers
How to get words matches with it's count using pandas
i have 2 Dataframes like
set1 = ['a','b','c','d','e','f','g','h','i','j']
set2 = ['a','b','b','c','c','f','h','j','k']
df1 = pd.DataFrame(set1, columns=['name'])
df2 = pd.DataFrame(set2, columns=['name'])
i want to compare these 2 Dataframes…
Vishal Vijayan
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