Questions tagged [drop]
468 questions
1
vote
1 answer
Why is df.drop dropping more rows than it should
I have a data frame (other_team_df) of premier league teams and I want to drop rows where the home team is either: Arsenal, Chelsea, Liverpool, Tottenham, Man City or Man United.
When I run the code below, del_row_index has length=1596 and…
1
vote
2 answers
Drop rows in pandas dataframe depending on order and NaN
I am using pandas to import a dataframe, and want to drop certain rows before grouping the information.
How do I go from the following (example):
Name1 Name2 Name3
0 A1 B1 1
1 NaN NaN 2
2 NaN NaN 3
3 NaN B2 4
4 NaN NaN 5
5 …

chrundle
- 13
- 3
1
vote
1 answer
How to drop the last row of an exploded dataframe
I have a large dataframe, but to make this easy it looks something like this one below
A B C
0 [a, b, c] 1 22
1 [d, e] 2 45
2 [f, g] 3 32
3 [h, i] 4 64
4 [j, k, l, m] 5 76
Now I have…

Koen van Maanen
- 15
- 3
1
vote
1 answer
Liquibase -Drop Table Best Practice
in a DevOps (CI/CD) scenario, when Liquibase is triggered by a specific step of a pipeline, is a good practice that Liquibase drops all application ( microservice ) DB tables and recreate all DDL/DML using changesets (only for test and…

cyberdemon
- 43
- 2
- 10
1
vote
0 answers
How to drop a constraint starting with number in postgresql ? For ex : 123_5_pk_not_null
While dropping constraint named 123_5_pk_not_null, I am getting syntax error at the start of constraint name.
Query:
alter table table_name drop constraint 123_5_pk_not_null;
Error:
Syntax error at or near 123
Need to drop the constraint

krishna raja
- 11
- 1
1
vote
1 answer
To change table schema in Databricks
Is there any way to change data type inside struct column in a table?
Example:
emp_details: struct
emp_id: integer
emp_name: string
If emp_details is a column in a table which is of strict type and inside it emp_id and emp_name is present and I…

Farzu
- 65
- 5
1
vote
2 answers
1
vote
1 answer
Drop a row or observation by condition
Let's assume we have a dataframe df(1200, 20). Since I am only interested in 2 columns in the I will use only these in the following example
index A B
1 Alex George
2 …

Alex
- 149
- 8
1
vote
0 answers
RobotFramework drag and drop to canvas not working for grapesjs
I am stuck with automation. I am using SeleniumLibrary for robot framework. We need this on Chrome browser.
I am unable to drag and drop an element from parent to iframe/canvas using robot framework. The backend in on grapesjs. I guess this is not…

karthik
- 11
- 2
1
vote
4 answers
Drop rows containing string Pandas
I am trying to remove rows with an specific string only on a column, in a dataframe.
I tought of using a combination of drop and iloc methods, because the column names are rather large and mutable and I am not interested in referencing the columns…

Ricardo Milhomem
- 159
- 2
- 3
- 11
1
vote
0 answers
Drag and Drop in cypress (trigger pointermove, {eventconstructor: PointerEvent}
I want to drag an object in cypress but after dragging i faced this error in cypress running window. Error is (
trigger
pointermove, {eventconstructor: PointerEvent})
my code is
type Url = string
it('Drag', () => {
cy.visit(url)
…

Nazia Ali
- 21
- 4
1
vote
1 answer
Pandas compare columns and drop rows based on values in another column
Is there a way to drop values in one column based on comparison with another column? Assuming the columns are of equal length
For example, iterate through each row and drop values in col1 greater than values in col2? Something like…

dinn_
- 93
- 1
- 10
1
vote
2 answers
if column a == value, drop rows where column b equals
I am trying to drop rows in my df where SPCD == 104, drop rows where Age >= 950 and for some reason I can't for the life of me figure out how to do it.
dropped_ages = d_age[ (d_age['SPCD'] == 104) & (d_age['Age'] >= 950) ]
This is a line of code…

sarakota
- 63
- 1
- 1
- 6
1
vote
1 answer
How to remove next pandas dataframe row when it's equal to previous row only for some columns
I have created a dataframe called df with this code:
# initialize list of lists
data = {'ID': [1,2,3,4,5,6,7],
'feature1': [100,32,100,100,100,93,100],
'feature2': [100,32,100,100,100,93,100],
'feature3':…

Giampaolo Levorato
- 1,055
- 1
- 8
- 22
1
vote
2 answers
Drop rows where column duplicate and and other column null
Seeking to drop rows where col1 is duplicate and col2 is null, but only when both conditions are met.
Therefore, where col1 is duplicate and col2 is not null, row should not be dropped.
d = {'col1': ['A1', 'B4', 'A2', 'A1', 'B4', 'B4'], 'col2':…

Diop Chopra
- 319
- 3
- 10