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In ARIMA(1,0,0) Model i.e. Auto-regressive model, it is said that the coefficient must be less than 1 and only then this model is possible. Why?  
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2 days 0 Answers 4 views Newbie

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I have date & ids in two columns. Ids can repeat on each date and on multiple dates as well. I want to calculate the count distinct ids which are there present for last 7 days with respect to given date. Eg. ...
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Anonymous 7 days 0 Answers 11 views

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How do you sort a list in Python without using sort() or sorting algorithms ?
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3 weeks 0 Answers 18 views Member

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Hi, I need to know the set of questions asked by Fractal Analytics for Data Scientist for online test (1.30 hours and 13 questions). Please respond and provide the set of questions at earliest as the test is to be ...
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Anonymous 1 month 0 Answers 43 views

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List the id , marks of all students whose marks doesn't fall under any grade.
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Anonymous 1 month 0 Answers 46 views

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All you have to do is to go through the code and comment the question for which the following is an answer of SELECT player, teamid, coach, gtime FROM goal JOIN eteam ON (teamid=id AND gtime<=10)
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1 month 1 Answer 38 views Master

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All you have to do is to go through the code and comment the question for which the following is an answer of SELECT matchid, player FROM goal WHERE teamid = 'GER'
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1 month 7 Answers 188 views Master

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All you have to do is to go through the code and comment the question for which the following is an answer of   SELECT id,stadium,team1,team2 FROM game WHERE id = 1012
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1 month 2 Answers 57 views Master

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All you have to do is to go through the code and comment the question for which the following is an answer of   SELECT player, teamid, mdate FROM game JOIN goal ON (id=matchid AND teamid='GER')
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1 month 1 Answer 40 views Master

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All you have to do is to go through the code and comment the question for which the following is an answer of SELECT team1, team2, player FROM game JOIN goal ON (id=matchid AND player LIKE 'Mario%')
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1 month 1 Answer 36 views Master

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All you have to do is to go through the code and comment the question for which the following is an answer of SELECT mdate, teamname FROM game JOIN eteam ON (team1=eteam.id AND coach LIKE '%Santos')
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1 month 1 Answer 28 views Master

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All you have to do is to go through the code and comment the question for which the following is an answer of SELECT player FROM goal JOIN game ON (id=matchid AND stadium = 'National Stadium, Warsaw')
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1 month 1 Answer 29 views Master

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All you have to do is to go through the code and comment the question for which the following is an answer of SELECT id, mdate, COUNT(player) FROM game JOIN goal ON (id=matchid AND (team1 = 'GER' OR team2 = 'GER') AND teamid='GER') GROUP ...
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1 month 1 Answer 30 views Master

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All you have to do is to go through the code and comment the question for which the following is an answer of SELECT mdate, team1, SUM(CASE WHEN teamid = team1 THEN 1 ELSE 0 END) AS score1, team2, SUM(CASE WHEN teamid = team2 THEN ...
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1 month 1 Answer 35 views Master

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All you have to do is to go through the code and comment the question for which the following is an answer of SELECT mdate, team1, SUM(CASE WHEN teamid = team1 THEN 1 ELSE 0 END) AS score1, team2, SUM(CASE WHEN teamid = team2 THEN ...
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1 month 1 Answer 41 views Master

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You have a table with the following 3 columns customer_id, order_id, order_date 123.                   987.            2/9/2020 123                    1234      ...
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2 months 3 Answers 281 views Master

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Suppose there are two columns Age Name 25   Nitin 30   Amit 27   Rishab 29   Ankush Convert into Name   Nitin.  Amit. Rishab. Ankush Age.      25.       30.      27.        29
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2 months 5 Answers 187 views Master

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There are 6 marbles in a bag, 1 is white. You reach in the bag 100 times. After drawing a marble, it is placed back in the bag. What is the probability of drawing the white marble at least once?
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2 months 3 Answers 98 views Great Grand Master