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The Data Monk

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The Data Monk is created to give you most of the “must-have” resources to make you believe that Analytics is easy and FUN. We have more than 30 ebooks on Amazon :)

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  1. accuracy of linear regression model

    Rohitsingh
    Rohitsingh Member
    0
    November 28, 2020 at 6:54 am
    You can do so in many ways. One of the most common ways is ‘
  2. error minimization techniques

    Rohitsingh
    Rohitsingh Member
    0
    November 28, 2020 at 6:43 am
    Linear regression normally uses ordinary least squares metho
  3. linear regression output as probabilities

    Rohitsingh
    Rohitsingh Member
    1
    November 28, 2020 at 6:40 am
    It's tempting to use linear regression outputs as probabilit
  4. Find the 4th Highest employee salary from the following table

    sirajp99
    sirajp99 Newbie
    0
    November 26, 2020 at 12:34 pm
    Home
    SELECT TOP 1 salary FROM ( SELECT DISTINCT TOP 4 salary FROM
  5. linear vs logistics regression

    Rohitsingh
    Rohitsingh Member
    0
    November 25, 2020 at 7:09 am
    The reasons why linear regressions cannot be used in case of
  6. logistic regression

    Rohitsingh
    Rohitsingh Member
    0
    November 25, 2020 at 7:02 am
    Home
    A line or a hyperplane that separates the classes is called
  7. What will be the output of Following SQL Query

    K.Madhumitha
    K.Madhumitha
    0
    November 25, 2020 at 6:53 am
    The inner query executes first. Therefore it will first comp
  8. you have uploaded the dataset in csv format on google spread sheet and spread it publicly .you want to access in python how you can do

    anilkrishna1000
    anilkrishna1000 Member
    0
    November 25, 2020 at 3:52 am
    link = https://docs.google.com/spreadsheets/d/...source = St
  9. Explain Confusion Matrix Machine Learning Alagorithm

    anilkrishna1000
    anilkrishna1000 Member
    0
    November 25, 2020 at 3:45 am
    Confusion Matrix is a table which is used for summarizing th
  10. what is the precession and recall

    anilkrishna1000
    anilkrishna1000 Member
    0
    November 25, 2020 at 3:20 am
    Imagine that your Girlfriend gave you you a birthday surpris
  11. How to convert string into data time value

    anilkrishna1000
    anilkrishna1000 Member
    0
    November 25, 2020 at 3:08 am
    import time str="25/11/2020 datetime_value=time.strptime(str
  12. How to identify given data is structured or unstructured

    anilkrishna1000
    anilkrishna1000 Member
    0
    November 25, 2020 at 2:59 am
    From the above scenerio the given data structure is unstuctu
  13. Barclays Interview Questions | Query I

    bhavishya1304
    bhavishya1304 Newbie
    0
    November 25, 2020 at 2:34 am
    CREATE Table 3 as SELECT T1.firstname ,T1.lastname,T2.Salary
  14. Feature Selection

    demogorgon
    demogorgon Member
    1
    November 24, 2020 at 3:24 pm
    Assuming both train the algorithm using the same hyperparame
  15. Predict who would visit your mall on this month?

    demogorgon
    demogorgon Member
    0
    November 24, 2020 at 2:27 pm
    Since it is an open-ended question, there is no perfect answ
  16. Can we use R2-Sqaure to validate our model?

    demogorgon
    demogorgon Member
    0
    November 24, 2020 at 2:02 pm
    R2 squared can be explained as [1-(unexplained variation-RSS
  17. Decision Trees

    demogorgon
    demogorgon Member
    0
    November 24, 2020 at 1:45 pm
    A decision tree selects a feature at first, then goes on to
  18. Which test is used for more than two independent population location parameter?

    Divyata Suratwala
    Divyata Suratwala Member
    0
    November 24, 2020 at 9:07 am
    both
  19. List the total numbers of products of each brand.

    Divyata Suratwala
    Divyata Suratwala Member
    0
    November 24, 2020 at 9:06 am
    select count(Product_Brand),Prouduct_Brand from Product_Mast
  20. Is logistic regression a regression technique?

    demogorgon
    demogorgon Member
    0
    November 24, 2020 at 5:35 am
    In a regression technique, the expectation of the conditiona
  21. python for datascience

    JAI SANDESH LS
    JAI SANDESH LS Member
    0
    November 23, 2020 at 7:43 pm
    the single feature array is nothing but a 1D-array. when a 1
  22. python for datascience

    JAI SANDESH LS
    JAI SANDESH LS Member
    0
    November 23, 2020 at 7:37 pm
    the single feature array is nothing but a 1D-array. when a 1
  23. pandas

    JAI SANDESH LS
    JAI SANDESH LS Member
    0
    November 23, 2020 at 7:23 pm
    when the argument is set to False it creates a shallow copy
  24. logistic regression

    JAI SANDESH LS
    JAI SANDESH LS Member
    0
    November 23, 2020 at 6:59 pm
    no, you cannot apply logistic regression because logistic re
  25. linear regression

    JAI SANDESH LS
    JAI SANDESH LS Member
    0
    November 23, 2020 at 6:41 pm
    The model is overfitted because the model is low biased due
  26. logistic regression

    JAI SANDESH LS
    JAI SANDESH LS Member
    0
    November 23, 2020 at 6:35 pm
    3 predictors because there are 3 independent variables used
  27. Clustering algorithms

    bbkdkl
    bbkdkl Newbie
    0
    November 23, 2020 at 4:51 pm
    Home
    Machine Learning model doesnot understand categories or lett
  28. python

    Hemant Singh
    Hemant Singh Member
    0
    November 23, 2020 at 4:46 pm
    explanation: this code is related to relational expressions
  29. python

    Hemant Singh
    Hemant Singh Member
    0
    November 23, 2020 at 4:13 pm
    urllib.request is the library function in the 'urllib' modul
  30. SQL

    Hemant Singh
    Hemant Singh Member
    0
    November 23, 2020 at 3:50 pm
    Self JOIN: It is a regular join, but the table is joined wit
  31. SQL Query

    Hemant Singh
    Hemant Singh Member
    0
    November 23, 2020 at 2:32 pm
    SELECT column_name(s) FROM table_name WHERE condition GROUP
  32. SQL Query

    Hemant Singh
    Hemant Singh Member
    0
    November 23, 2020 at 2:15 pm
    SELECT* FROM Counts where org like '%.edu' ORDER by org ASC;
  33. What will be the output of Following SQL Query

    Prathmesh
    Prathmesh Newbie
    0
    November 23, 2020 at 10:21 am
    After Running the code will return the columns name, last_na
  34. Q1 | Guess the question

    Prathmesh
    Prathmesh Newbie
    0
    November 23, 2020 at 9:44 am
    It's query(fetching information) about matchid and player wh
  35. When it comes to Evaluation of Linear Regression which Evaluation Metrics would be the best when we have redundant Variables in our dataset?

    Prathmesh
    Prathmesh Newbie
    0
    November 23, 2020 at 9:39 am
    Adjusted R-Squared will be more Suitable for the evaluation
  36. Linear Regression Interview Question| Perpendicular regression lines

    Tanuj
    Tanuj Member
    0
    November 23, 2020 at 7:44 am
    The two regression lines of two factors say X and Y are perp
  37. Linear Regression Interview Question| Range of Multiple Correlation Coefficent ?

    Tanuj
    Tanuj Member
    0
    November 23, 2020 at 7:09 am
    The multiple correlation coefficient ranges between 0 and 1.
  38. Statistics Interview Question| What is the relation between Power and Size of a test ?

    Tanuj
    Tanuj Member
    0
    November 23, 2020 at 6:49 am
    For an unbiased test , the power is greater than size of the
  39. Statistics Interview Question| When are Type 1 and Type 2 errors both equal to 0 ?

    Tanuj
    Tanuj Member
    0
    November 23, 2020 at 6:33 am
    A possible scenario is when the distribution under null hypo
  40. Python|Jupyter notebook

    razack_ar
    razack_ar Member
    5
    November 23, 2020 at 6:19 am
    import pandas,numpy,matplot.lib libraries plt.bar(df.xxx, df
  41. Regression|Statistics

    razack_ar
    razack_ar Member
    5
    November 23, 2020 at 6:00 am
    Home
    the optimal speed is found to be 40(rpm*1000-approx.) ,by pr
  42. box plot| python|

    razack_ar
    razack_ar Member
    5
    November 23, 2020 at 5:35 am
    import panda as pd import numpy as np import matplot.lib as
  43. Linear Regression Interview Question| Does high linear correlation coefficient imply linear relationship ?

    Tanuj
    Tanuj Member
    0
    November 23, 2020 at 5:18 am
    A high linear correlation coefficient between Temperature of
  44. Python|Excluding columns|Jupyter Notebook

    razack_ar
    razack_ar Member
    4
    November 23, 2020 at 5:11 am
    import numpy as np import pandas as pd import matplot.lib as
  45. python|using Seaborn library

    razack_ar
    razack_ar Member
    4
    November 23, 2020 at 5:00 am
    import numpy as np import pandas as pd from matplotlib impor
  46. SQL Interview Questions | Find the manager name

    DEEPAK KUMAR
    DEEPAK KUMAR
    0
    November 23, 2020 at 2:20 am
    SELECT e.empname, m.empname AS manager_name FROM employees e
  47. Logistic : Regression or Classification

    shikhagaur16@gmail.com
    shikhagaur16@gmail.com Member
    0
    November 22, 2020 at 8:40 pm
    The main difference between regression and classification is
  48. Accuracy of Linear Regression

    shikhagaur16@gmail.com
    shikhagaur16@gmail.com Member
    0
    November 22, 2020 at 8:15 pm
    In linear regression, one of the basic assumption is there s
  49. R square and Adjusted R square in regression

    shikhagaur16@gmail.com
    shikhagaur16@gmail.com Member
    0
    November 22, 2020 at 8:04 pm
    Both are used for model validation in linear regression. R s
  50. Spam Classifier

    proxyyy123
    proxyyy123 Member
    0
    November 22, 2020 at 8:02 pm
    For implementing a spam classifier we need to reduce the fal
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