DataMining | Some Data Mining Algorithms based on C | Data Mining library
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Some DataMining Algorithms based on C#.
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QUESTION
I have a question you guys might be able to answer.
I have a json file that looks something like this:
...ANSWER
Answered 2021-Dec-13 at 21:35Your problem is
QUESTION
I achieved the count of each tasks performed by Students from the below Query. In addition I also need to get the count based on tasks performed by students by date on the same query itself. How can I achieve it?
...ANSWER
Answered 2021-Oct-13 at 09:28I did it using an inner query:
Also Distinct
is not needed so I deleted it:
QUESTION
I am trying to plot the following code where data1, data2, data3 are vectors.
...ANSWER
Answered 2021-Oct-08 at 01:24try writing
QUESTION
I find to find some words in dictionary and replace the with another words . wrote the following code, but there is no change in the output. I don't know how can I change the output?
...ANSWER
Answered 2021-Sep-28 at 17:30for elem in output:
for idx, el in enumerate(elem['tags'][:]):
if el == 'datamining':
elem['tags'][idx] = 'data mining'
elif el == 'data science':
elem['tags'][idx] = 'data mining'
QUESTION
I have a list similar to the one below and I want to consider words with the same content as one word. Is there a way to do this more effectively?
...ANSWER
Answered 2021-Sep-27 at 13:39Create a mapping of words to their canonical replacement, for example
QUESTION
I have a query and which give the count greater than 1, but what I expect is I need the result to be based on particular column(Rollno.) How to achieve it.
Table Studies
...ANSWER
Answered 2021-May-03 at 09:01like this? I do not confirm your needs, but the internalstaff_2 column can refer to STRING_AGG() to replace the nested subquery in the following script.
QUESTION
I have been given an .npz file containing the data. I have explored the dataset, and noted that it has 5 datatypes:
...ANSWER
Answered 2021-Mar-24 at 01:52Ok, since you are new to programming I will explain how indexing works (in numpy, which is an almost-universal mathametical library in python).
Say we have a variable folds
which is defined as:
QUESTION
I wrote this query to filter out the results below 38 percentage. But when I execute I get the random result with no errors and not the expected results.
...ANSWER
Answered 2021-Mar-13 at 05:34Assuming the percentage is less than 100, below code computes the numeric value within the string column and gives you the list of percentages which are less than or equal to 38. This will not work in all cases as the percentage column is not normalized.
QUESTION
From this table EmpRecord
:
ANSWER
Answered 2021-Jan-25 at 17:17You could use DATEDIFF() to determine the number of days between your StartDate and JoiningDate and evaluate if that is less than or equal to 28 days.
We'll use the ABS() function around DATEDIFF(). That gives us the absolute(positive) value to then evaluate against 28 days.
QUESTION
I can get exact 3 years of value with the below code (from 01/24/2018 - 01/25/2021)
...ANSWER
Answered 2021-Jan-25 at 14:24Lots of ways. One is to combine YEAR, which extracts the numeric year value from a date and DATEFROMPARTS, which constructs a date from Year, Month, and Day componenets. EG:
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