nyr | tiny helper that knows if you are running a script via npm | Build Tool library
kandi X-RAY | nyr Summary
kandi X-RAY | nyr Summary
A tiny helper that knows if you are running a script via npm or Yarn, to let you chain your commands for either. Use as a replacement for x run in your package scripts.
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QUESTION
I have a pandas data frame in which each case contains multiple sets of interesting information. In short, I want the columns to decrease and the data frame to become longer according to pre-specified relationships.
My old data frame looks like this:
...ANSWER
Answered 2020-Jul-20 at 13:50You can first set the columns which remains single for each index as index , then split the column names to create a Multiindex and then use stack
:
QUESTION
I am looking for a way to bind together the columns of several dataframes even if there is a mismatch in the number of rows. I have tried utilizing "cbind" and "merge" to get my data in a wide format as opposed to dplyr's preference to tall data.
For a simple example, lets say I have 2 dataframes: 1 with 4 rows, one with 5. I want to bind on "Team", and any time there is no match, fill it with either a blank or NA.
Example dataframes:
df1
...ANSWER
Answered 2020-Mar-14 at 13:44It is very easy using set operations with dplyr. Specifically you're looking for full_join.
This function has 3 arguments, #1 & #2 are the dataframes you're looking to join. #3 is the "key" argument which tells the funcion by which column to join the data frames. In this case key = 'Team'.
QUESTION
I am trying to figure out if I can count the Wins and Loses columns that are a result of my CASE function that is aliased. I have included my tables, inserts, select statement and image of the output. In the image you will see the 'Winner' and 'Loser' columns that are created by the CASE. I am hoping to somehow COUNT() those with a where clause on the team name.
My goal here is to show each teams Win/Lose numbers. So in this case the columns should say TeamName, Wins, Loses. And underneath them in that order should be Sharks, 2, 0.
Tables:
...ANSWER
Answered 2020-Feb-06 at 21:19If we recycle query you already wrote, all that is left is to fetch winners and losers and count their wins/loses.
QUESTION
ANSWER
Answered 2020-Jan-09 at 11:50Changing the color of what's added via ilab
isn't possible, but you can always just add the text yourself using text()
(e.g., on top of the existing text). This will do it:
QUESTION
I have two dataframes with NHL hockey stats. One contains every game played by every team for the last ten years, and the other is where I want to fill it up with calculated values. Simply put, I want to take a metric from a team's first five games, sum it, and put that into the other df. I've trimmed my dfs below to exclude other stats and will only look at one stat.
df_all contains all of the games:
...ANSWER
Answered 2019-Nov-04 at 05:11"ValueError: Can only compare identically-labeled Series objects"
QUESTION
Thanks for user Eduard Ilyasov help me few days ago
Now i got some result, but i hardly understood these
I was trying to calculate the trend of temperature from 1979 to 2016.
...ANSWER
Answered 2019-Mar-21 at 12:50If you read the documentation for numpy.polyfit()
further you will see the definition of this function
The solution minimizes the squared error
E = \sum_{j=0}^k |p(x_j) - y_j|^2
in the equations:
QUESTION
I am designing a website based around Hockey. I was attempting to create a "carousel" of live games (I did not use Bootstrap 4 carousel). I wanted to flip tags around so that the score would always be on the inside of the teams logo. When I did so, I received a funky side-effect:
I am currently working on styling when the viewport is between 786px and 991.98px. Viewed any other way and it will not be styled properly.
Ignoring the first box (I was only changing code on the second block denoted under the comment <--- two --->
in the code below), you'll notice that the scoreblocks in the second box do not match in their styling.
The code below should allow recreation of the issue. (Aside from pointing the css and img to the proper place)
As far as I can tell, the left scoreblock has a "whitespace text node" tag? element? that creates the space between the image and score. However on the right side this "whitespace text node" appears in the div with id score-md and creates the extra background.
...ANSWER
Answered 2019-Feb-15 at 08:26This happens because #score-md
has display: inline;
, and whitespaces (including linebreaks) in inline elements are displayed as... well, whitespaces.
You can change display: initial;
on #score-md
to display: inline-block;
, but this will break your layout a little.
The easiest workaround is to remove all whitespaces from #score-md
, so basically change this:
QUESTION
So I have a list of data frames to which I'm trying to trim all the whitespace (using stringr::str_squish)
) from each data frame.
I assume the best way to do this is to mutate
each variable in each data frame, and mapping this to each data frame in the list.
The issue is that I keep getting this error:
...ANSWER
Answered 2019-Jan-06 at 01:13It seems like your data frames in the mydata
have duplicated column names, which could be a problem for mutate_all
. Below I rename the data frames with letters from a to f, and then apply mutate_all
and str_squish
with function(x)
to avoid any confusion. It seems working.
QUESTION
I'm working on a project of collecting some datas from https://www.hockey-reference.com/boxscores/. Actually I'me trying to get every table of a season. I've generated a list of urls composed by combining https://www.hockey-reference.com/boxscores/ with each date of the calendar and each team name like "https://www.hockey-reference.com/boxscores/20171005WSH.html
I've stocked every url into a list but some are leading to a 404 error. I'm trying to use the "Curl package" with the function "url.exists" to know if there will be a 404 error and delete the url of the list. The problem is that each url from the list (including really existing url) return FALSE with url.exists in a for loop... I've tried to use this function in the console with url.exists(my list[i]) but it returns FALSE.
here's my code:
...ANSWER
Answered 2018-Oct-01 at 14:16Instead of RCurl
, you could use the httr
package:
QUESTION
Looking for way to find out the last time an event occurred. Here is what I have for data in excel. I would like to be able to look up the Home column name in both the Home and away column then Subtract the date from the last time that name occurred. Is this possible? If so what formula am I looking for?
...ANSWER
Answered 2018-Sep-16 at 04:53D2=IFERROR(DAYS($A2,INDIRECT("A"&MAX(IF(B2=$B$1:$C1,ROW($B$1:$C1),0)))),0)
We are going to check B2 and looking backward to see if there is a match. If so, we need it's
Row
number, by usingROW()
, otherwise it should be0
. However, an ordinary formula can only check one cell at a time, so we need it to be an Array Formlua. That is, it can scan through the given area one by one at a time.So we have a bunch of row numbers now. We use formula
MAX()
to pick the biggest one, since the data are sorted by date already.Now we have the
Row
number of the wanted date, and we know that the date is always inColumn A
. AnIndirect()
formula can easily put them together and get the date written in that cell.DAYS()
is designed for subtracting two dates. First argument is the date where the formula is, and second argument is the date we found by step 1 to 4.However there could be some entries that no date can be found. So we put an
IFERROR()
outside our formula for preventing any error codes.Remember this is an Array Formula, so press Ctrl + Shift + Enter to complete the formula. And you should see a
{}
outside you formula if you have succeeded entering it correctly.Lastly, fill this formula in your chart and maybe some adjustments if unlucky.
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