123 Answered Questions for the topic Data Science

Data Science

03/08/23

Create a Parameter that shows the CountD (# of users) per Dimension category
Hi Esteemed Tutors! Thanks very much in advance for you help.I have built a Tableau Sheet with the CountD of users by a dimension category. Now, I would like to use that sheet on a dashboard to... more
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Data Science

03/07/23

Which of the following is not an example of descriptive analytics?
A report for last years revenue for a professional baseball teamA prediction of revenue over the next three months for a pharmaceutical companyA summary of last months marketing campaigns for... more
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Data Science Math Biology Chemistry

02/14/23

A rate law is 1/2 order with respect to a reactant. Describe (quantitatively) what happens to the rate of reaction when the concentration of this reactant is doubled.

A rate law is 1/2 order with respect to a reactant. Describe (quantitatively) what happens to the rate of reaction when the concentration of this reactant is doubled.
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Data Science Math Biology Chemistry

02/14/23

Consider the possible reaction mechanism below.
A + B ➞ C + D D + B ➞ C a. Show that mechanism is consistent with balanced equation. b. Show which is the rate-determining step (RDS). Explain your choice.
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Data Science Math Science Biology

02/14/23

The experiment is repeated at 500˚C. How would the following change (qualitatively) at the new temperature (explain your answer)?

This reaction was originally done at a temperature of 250K, but now it is being done at 500K.4PH3 (g) ➞ P4 (g) + 6H2 (g)a. The half-life of phosphine. b. The rate law for phosphine decomposition.... more
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Data Science Math Science Biology

02/14/23

Assume the rate of disappearance of PH3 is 2.5 x 10^-3 M/s at 20 seconds.

4PH3 (g) ➞ P4 (g) + 6H2 (g)a. What is the rate of appearance of P4 at 20 seconds?b. How will the rate of P4 appearance change (qualitatively) as the reactionprogresses?Justify each answer!
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02/11/23

how to do this in dbeaver?
Research how to create queries that: 1) join multiple table; 2) use aggregate functions (e.g. sum()), and 3) “order by” statements Consider online and the text for sources. 2. Create a query that... more
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02/11/23

what wrong with this syntax in dbeaver?
insert into warranty values ('p10', '6-year warranty ', 89)insert into warranty values ('p11', '7-year warranty ', 24)insert into warranty values ('p12', '8-year warranty ', 45)insert into warranty... more
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02/09/23

Is there a way to select segments from different original time series that can be combined to create a new time series that best represents the information of the original multiple time series?
I am looking for a way to select segments from different original time series that can be combined to create a new time series that best represents the information of the original multiple time... more
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02/05/23

how to a join two tables in dbeaver?
I have two tables that I would like to take from. Department: Department_name Employee: first_name, Last_name how would i go about doing that
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02/05/23

how to insert these records into a dbeaver app?
INFO:INSERT INTO department VALUES ('R and D', 1, 123456789, '2014-07-14'); INSERT INTO department VALUES ('Finance', 2, 123456783, '2016-02-07'); INSERT INTO department (department_id,... more
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Data Science Computer Science

01/25/23

how to create a lucid ER diagram of a movie scenario

NetFlicks (NF) (not to be confused with Netflix) needs to create a database to manage the operations of their online movie streaming service.NF has the following genres of Films for streaming:... more
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Data Science

01/23/23

I need tutoring TODAY
I need help learning weighted scoring and making a feature evaluation table today. Could someone help me???
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Data Science Math Python

12/11/22

Solving questions related to Convulated neural network, constructing decision tree and naive bayers theorem
Here is one of the sample questions, but I will get 3 more tomorrow at 2pm est related to the topics above to solve in 2 hours, if you can help kindly let me know, pay will be good. I will upload... more
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Data Science Math Science Geography

12/06/22

The maximum effective precipitation for a basin is shown in the table below.

Determine the hydrograph. The basin has the following characteristics drainage area of 27 km2 , the length of the river is 8 km and the gradientTime (h) Precipitation (mm) 1 7 2 10 3... more
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Data Science Statistics

12/05/22

plotting a bell curve with percentile information
I have three sets of numbers representing a minimum, 25th percentile, a mean, a median, 75th percentile and a maximum. While I do not have any individual raw data and do not know the standard... more
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Data Science

11/30/22

Ph.D for data science or bioinformatics
Hi. I'm interested in asking you for some advice on whether I should apply for master's or Ph.D for Data science. If you have some time for talk, please let me know!
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Data Science

11/30/22

In what ways do the lines on a graph represent in regard to speed, velocity, or acceleration
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11/28/22

Complete Binary Tree in Java (ArrayList implementation)
inOrder, postOrder, and preOrder seem to be printing extra numbers. Why is this happening? import java.util.*;public class CBT{  private ArrayList tree;  public CBT(){ tree = new... more
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Data Science Python R

11/16/22

Application of Natural Language Processing (NLP) on Social Media
I have worked a lot of social media companies in gaining insight from their own data. Said data usually comes in the form of text and therefore requires application of Natural Language Processing... more
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11/01/22

Reliability of Information on the Web.
Instructions: The internet offers endless opportunities to obtain high-quality information on a wide variety of topics that are relevant to nutrition, but it also delivers an abundance of... more
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Data Science Python

10/26/22

What are the differences between Python, pandas, Anaconda, CPython, and Data Science?
Why do many Python tutors not know pandas, sklearn, numpy, and matplotlib? How do I find tutors who know those topics?
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Data Science

10/08/22

Tableau Tips for Beginners
What are some tips and tricks to know using Tableau? Have you experienced any problems?
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09/14/22

When making reports, why is it advantageous to use R Markdown than using R script?
looking for someone to help me with this. thanksaLSO in the R studio interface, what information is shown in the Git tab section? does this mean the staging button, the commit, pushing, and pulling... more
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Data Science Business Microsoft Excel

09/11/22

How to work with dates in Microsoft Excel
Working With Dates In ExcelWorking with dates can be challenging in Excel. Sometimes no matter what you try, you can't get dates to format, adding times can be challenging, and creating graphs can... more
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