count

Pysaprk multi groupby with different column

痞子三分冷 提交于 2021-02-04 16:28:26
问题 I have data like below year name percent sex 1880 John 0.081541 boy 1881 William 0.080511 boy 1881 John 0.050057 boy I need to groupby and count using different columns df_year = df.groupby('year').count() df_name = df.groupby('name').count() df_sex = df.groupby('sex').count() then I have to create a Window to get the top-3 data by each column window = Window.partitionBy('year').orderBy(col("count").desc()) top4_res = df_year.withColumn('topn', func.row_number().over(window)).\ filter(col(

Count the number of VBA recipients in the TO field

萝らか妹 提交于 2021-01-29 16:41:05
问题 Is there a faster method to count the number of VBA recipients in the TO field? Please refer to the following pseudo code. Dim myRecipients as Outlook.recipients Dim Recip as Outlook.recipient Dim olToCount as Long olToCount = 0 For Each Recip In myRecipients If Recip.Type = olTo Then olToCount = olToCount + 1 End if Next 回答1: You can also read the To property and count the number of ";" characters, but it is locale specific. What you have is the preferable way; is there a problem with it? 来源

how to count the number of elements in XML?

泄露秘密 提交于 2021-01-29 15:12:12
问题 I'm looking to get basic metadata about the data within a database. Specifically, the number of line elements which are surrouned by the root text element. Analogous to what I'd expect COUNT to return in SQL -- a single integer. the database: thufir@dur:~/flwor/group$ thufir@dur:~/flwor/group$ basex BaseX 9.0.1 [Standalone] Try 'help' to get more information. > > open people Database 'people' was opened in 225.24 ms. > > xquery / <text> <line>people</line> <line>joe</line> <line>phone1</line>

How do you count the number of rows in a table that have the same value in value in a column?

耗尽温柔 提交于 2021-01-29 10:20:15
问题 Suppose I have the following simple table: create table mytable ( desid bigint not null, ancid bigint not null ); insert into mytable (ancid,desid) values (1,10); insert into mytable (ancid,desid) values (1,20); insert into mytable (ancid,desid) values (1,21); insert into mytable (ancid,desid) values (1,22); insert into mytable (ancid,desid) values (2,30); insert into mytable (ancid,desid) values (3,40); insert into mytable (ancid,desid) values (3,41); insert into mytable (ancid,desid) values

Counting consecutive values in rows in R

别来无恙 提交于 2021-01-29 08:56:37
问题 I have a time series and panel data data frame with a specific ID in the first column, and a weekly status for employment: Unemployed (1), employed (0). I have 261 variables (the weeks every year) and 1.000.000 observations. I would like to count the maximum number of times '1' occurs consecutively for every row in R. I have looked a bit at rowSums and rle(), but I am not as far as I know interested in the sum of the row, as it is very important the values are consecutive. You can see an

How to sum *count* subqueries with SQLAlchemy?

ぐ巨炮叔叔 提交于 2021-01-29 08:36:38
问题 I have the following models in my DB (Flask-SQLALchemy, declarative approach, simplified): class Player(db.Model): id = db.Column(db.Integer, primary_key = True) ... class Game(db.Model): id = db.Column(db.Integer, primary_key = True) creator_id = db.Column(db.Integer, db.ForeignKey('player.id')) creator = db.relationship(Player, foreign_keys='Game.creator_id') opponent_id = db.Column(db.Integer, db.ForeignKey('player.id')) opponent = db.relationship(Player, foreign_keys='Game.opponent_id')

Rolling count with array formula in Google Sheets

强颜欢笑 提交于 2021-01-29 06:12:56
问题 I have the dataset below. Col1 is given data and Col2 is the rolling count of the previous 5 rows of Col1 (inclusive). Date Col1 Col2 01/04/20 2 1 02/04/20 1 2 03/04/20 4 3 04/04/20 3 05/04/20 3 06/04/20 5 3 07/04/20 2 3 08/04/20 2 09/04/20 2 10/04/20 1 3 11/04/20 2 12/04/20 1 13/04/20 1 14/04/20 1 15/04/20 1 1 Is there a way to use arrayformula to do this rather than inputting a count formula into every cell in Col2 going down? 回答1: You can use Countifs with a condition on the rows:

angular/ts/json: from total records how to know the count of matching the specific values

*爱你&永不变心* 提交于 2021-01-29 05:23:17
问题 From the below data how to get the count of applicable impact, not applicable impact n FYI impact for assigned_to nested record instead of parent. So, the expected results will be: For 1st Record Applicable:2 Not Applicable: 1 For 2nd Record Applicable:1 Not Applicable: 1 db.json [ { "id": 1, "first_name": "Male", "last_name": "Record", "email": "male.record@gmail.com", "gender": "Male", "dob": "01-01-1987", "impact": "Not Applicable", "score": "Updated", "checked": false, "assigned_to": [ {

How to make null/none count 0 instead?

大城市里の小女人 提交于 2021-01-29 05:02:17
问题 I have some sqlalchemy that counts rows with the value "3" and then prints out the count. It works fine if the count is 1, 2, 3, etc, but when there are no items, it prints nothing. I wanted it to print 0. So I added an if/else statement that didn't work (it prints nothing, no errors). How would I do this? Here's my current code — not really sure if I should be doing this part in sqlalchemy or python. q = (db.session.query(Article.snippet, sa.func.count(ArticleVote.id)) .join(ArticleVote,

bot counting command discord

ぃ、小莉子 提交于 2021-01-29 04:56:05
问题 I have a private bot on discord, i've been trying to make him count a command and adding '+1' everytime I write that one command but it stays at 1 and can't go further : like this I think what I want to do is to make it save the number of time the command has been writen and add +1 to this number ; Should I do a loop or something ? Basically what I want is something like this in python for a discord bot : https://docs.nightbot.tv/commands/variables/count 回答1: You're resetting your counter