Questions tagged [drop]
468 questions
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Drop rows where all Boolean columns are False - Python
How do I drop a row if all rows have the value False? (here it would mean dropping 'kiwi'.)
print(df.head())
> concatenated category apple banana orange
> 0 apple_banana two True True False
> 1 apple one …
arv
- 398
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Begin importing data
I have this query that was originally for Oracle now I'm converting it to SQL and I got this error message:
Msg 102, Level 15, State 1, Line 1 Incorrect syntax near 'importing'.
I'm also connecting to another SQL server.
Begin importing data
--…
Chris
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- 1
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On SwiftUI AppKit project, dropEntered of DropDelegate not trigged
The code from https://github.com/onmyway133/blog/issues/594, and make some changes.
It's very simple, create a SwiftUI + Appkit project, copy and paste the code below to the project.
import SwiftUI
struct SelectFileView: View {
let buttonTitle:…
Donly
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How to drop incoming packets using TC
I'm using tc to drop outgoing packets on a specified ethernet port. Is there a way to apply a similar loss of packets but not on the transmitting direction? I'd want to drop n% of packets that come into my system from a selected ethernet port.
ray jay
- 1
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2 answers
in r drop columns in dataframe defined in a list using a for loop
I have a dataframe and I want to drop columns which are defined in a list.
First I have made a list of samples (which I want to keep) out of a excisting dataframe:
df_1 <- data.frame(sample = c("col1","col3"), gender = c("m","v"))
samplename <-…
0
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3 answers
I used dropna() on Python but it didn't deleted any rows
My DataFrame has two columns, both of which have NaN values. I need to delete the rows with NaN just on the column user_email.
However, I used df['user_email'] = df['user_email'].dropna() but it returned the exact same DataFrame, with all the NaN…
Adamastor
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- 3
0
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1 answer
Drop duplicated values with specific condition on another colunm pandas
I want to drop duplicate values on "Nit", but keeping when date "Date" is 31-12-2018
Nit sales date
12345 56 31-12-2018
12345 45 31-06-2018
23346 87 31-12-2018
76553 93 31-12-2018
44556 34 …
jimmy
- 340
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How to drop specific packet captured in NS-3 mesh node?
I'm using NS-3 v3.28.1 to simulation a WiFi Mesh network. The grid topology (actually only one line, with IEEE 802.11s stack installed at each node, HWMP protocol) contains 3 WiFi Mesh nodes, Node0, Node1 and Node2. Then I bind a UDP socket (acting…
Dynamic
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2 answers
Return rows with some text in them and delete the rest
I have a dataframe df with values as below:
Common_words count
0 realdonaldtrump 2932
2 new 2347
3 2030
4 trump 2013
5 good 1553
6 1440
7 great …
noob
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Delete and filter rows in dataframe in scala which has invalid datatype content other than expected data type
I'm new to spark and have a question regarding filtering dataframe based on dataype validation.
I want to filter and delete rows which does not have expected dataype content.
I have tried filtering like
df.filter(row => row.schema("id").dataType ==…
Rekha Pujari
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AttributeError: 'NoneType' object has no attribute 'drop' in pandas when used drop() function
prerequisites:
these are all the columns in my "movies" dataframe:
Index(['color', 'director_name', 'num_critic_for_reviews', 'duration',
'director_facebook_likes', 'actor_3_facebook_likes', 'actor_2_name',
'actor_1_facebook_likes',…
Abhishek Singh
- 11
- 5
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0 answers
Drag and drop image from wpf application to uwp application
I am trying to drag an image from WPF application to UWP application but getting this error
"invalid formatetc structure (exception from hresult: 0x80040064 (dv_e_formatetc)) in GetStorageItemsAsync method"
public async void OnFileDrop(object…
Laxmi
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1 answer
Creating a simple dropdown with 'onmouseover'
Hi I just want a small box to drop down when I mouse over an element, and I want it go away when I mouse out. Where am I going wrong?
My HTML:
New
…
Jamesyt60
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1 answer
Drop columns in with only NaN values, pandas dataframe
I have a dataframe where i want to drop every row where df['Rank'] < 16, and when i do df = df['Rank'].where(df['Rank'] < 16) it gives alot of NaN values (as it should), and then to remove these values i could do df = df.dropna ,but the problem is…
Eric costa
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Erorr with drop specific rows with Pandas
I'm trying to drop specific rows of my dataset, and I always have the same error. I have several candidates and I just want to work with two. I tried with "not in"condition, but when I need to visualize it used all the candidates.
I used the same…
