compose a function rolling std which accepts as parameters an array called data containing a row of time values and a row of measurements (just like seis), and a window size n. the function should return the resulting array of time points and calculated rolling-window standard deviations.
Answers
To compose the function "rolling std" that accepts the parameters of an array called "data" containing a row of time values and a row of measurements.
A window size "n", you can use the following approach:
1. Define an empty list to store the resulting time points and standard deviations.
2. Loop through the array "data" with a step size of "n" to create rolling windows of size "n".
3. For each rolling window, calculate the standard deviation of the measurements using the built-in function "numpy.std".
4. Append the time point at the center of the window and the calculated standard deviation to the empty list.
5. Return the resulting array of time points and standard deviations.
Here's what the code for this function might look like: import numpy as np
def rolling_std(data, n):
result = []
for i in range(0, len(data[0])-n+1, n):
window = data[1] [i:i+n]
std = np.std(window)
time = data[0][i+n//2]
result.append([time, std])
return np.array(result)
This function should work for any input array "data" and window size "n". The output will be an array of time points and calculated rolling-window standard deviations, with one row for each rolling window. When an array is sent as a parameter in array name itself serves as a pointer to the array's first element. The array's elements can be accessed by the function as if they were kept in the function's own memory thanks to the pointer that is supplied to the formal parameter. This behaviour enables the function to change the array's elements as needed. It also means that after the function returns, any modifications done to the array's elements inside the function will be reflected in the original array.
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Related Questions
A document intended for World Wide Web distribution is commonly referred to as
A. optical
B. magnetic
C. volume
D. pages
Answers
correct option is D. Web page. A document or resource on a Web site, transported over the Internet, created using the established standards, and made viewable to a user through a program called a browser.
A document intended for World Wide Web distribution is commonly referred to as a page. Thus, the correct option for this question is D.
What is a document on a world wide web called?A web page (also written as a webpage) is a document that is suitable for the World Wide Web and web browsers. It is a type of document which can be displayed in a web browser such as Firefox, Chrome, Opera, Microsoft Internet Explorer or Edge, or Apple's Safari.
According to the context of this question, a web browser takes you anywhere on the internet. It significantly retrieves information from other parts of the web and displays it on your desktop or mobile device. The information is transferred using the Hypertext Transfer Protocol, which defines how text, images, and video are transmitted on the web.
Therefore, a document intended for World Wide Web distribution is commonly referred to as a page. Thus, the correct option for this question is D.
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How are the waterfall and agile methods of software development similar?
Answers
The waterfall and agile methods of software development are similar in that they both aim to develop software in an organized and efficient manner. However, they differ in the approach they take to achieve this goal.
The waterfall method is a linear, sequential method of software development. It follows a defined process with distinct phases, such as requirements gathering, design, implementation, testing, and maintenance. Each phase must be completed before the next phase can begin, and changes to the software are not allowed once a phase is completed.
On the other hand, Agile method is an iterative and incremental approach to software development. It emphasizes on flexibility, collaboration, and customer satisfaction. Agile method encourages regular inspection and adaptation, allowing for changes and improvements to be made throughout the development process. Agile methodologies, such as Scrum and Kanban, follow an incremental approach, where the software is developed in small chunks called iterations or sprints.
Both Waterfall and Agile approach have their own advantages and disadvantages and are suitable for different types of projects and teams. It is important to choose a method that aligns with the specific needs and goals of the project and the team.
Note that common skills are listed toward the top and less common skills are listed toward the bottom. According to O*NET, what are some common skills needed by Accountants? Select four options
mathematics
reading comprehension
equipment maintenance
quality control analysis
active listening
writing
Answers
Answer:
I. Mathematics.
II. Reading comprehension
III. Active listening
IV. Writing
Explanation:
O*NET is the short for Occupational Information Network and it is a comprehensive online database that is uniquely designed to provide information about job requirements, staff competencies, work styles, abilities, skills and other resources. Thus, O*NET is the primary source of occupational information for the private and public sector of the United States of America. Also, it helps to identify and develop the work styles, skills, activities and abilities of various occupations of the American workforce.
According to O*NET, some common skills needed by Accountants include the following;
I. Mathematics: an accountant is required to have a good knowledge of different mathematical concepts such as arithmetic, calculus, algebra, statistics, etc., as well as their application to the field of accounting.
II. Reading comprehension: he or she should be able to read and understand the informations contained in all work-related documents.
III. Active listening: accountants are required to pay adequate attention to the informations that are given by the customers without interjections.
IV. Writing: they should be able to compose well-written and clear textual informations about work-related activities.
Answer:
I. Mathematics.
II. Reading comprehension
III. Active listening
IV. Writing
Explanation:
which answer illustrates “compound interest”
Answers
Answer:
d- you earn interest on the money in your savings account. Then you, in addition earn interest on interest
Explanation:
The compound interest means the interest i.e. earned on the money that saved by you and the interest you earned.
Therefore as per the given options, the last option is correct as it represents the interest earned in the saving account plus it earns interest on interest
Hence, all the other options are incorrect
what octal value should be added to the owner's permissions for a file to make the file executable?
Answers
To make a file executable, the owner's permissions need to be modified by adding the octal value of 1.
About set of permission bitsIn the context of Unix file permissions, each file has a set of permission bits that determine who can read, write, or execute the file. These permission bits are represented by a 3-digit octal number that can range from 000 to 777.
The first digit represents the owner's permissions, the second digit represents the group's permissions, and the third digit represents the permissions for everyone else. In order to make a file executable, the owner's permissions need to be modified by adding the octal value of 1 to the first digit.
For example, if the owner's permissions are currently set to 644, which means that the owner can read and write the file, while everyone else can only read the file, then the octal value of 1 needs to be added to the first digit to make the file executable.
This would change the owner's permissions to 744, which means that the owner can now read, write, and execute the file.
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How many asterisks does the following code fragment print? a = 0while a < 100:b = 0while b < 100:c = 0while c < 100:print('*', end='')c++;b += 1a += 1print()
Answers
The given code fragment will print a total of 1,000,000 asterisks.
This is because there are three nested while loops, each of which runs for 100 iterations. The innermost loop is responsible for printing the asterisks, so it will print one asterisk for each iteration. Since there are 100 iterations of the innermost loop for each iteration of the middle loop, and 100 iterations of the middle loop for each iteration of the outer loop, the total number of asterisks printed will be 100 * 100 * 100 = 1,000,000.
Here is the code fragment with the proper HTML formatting:
a = 0
while a < 100:
b = 0
while b < 100:
c = 0
while c < 100:
print('*', end='')
c++;
b += 1
a += 1
print()
So, the answer to the question is 1,000,000 asterisks will be printed.
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who developed the first personal computer called the altair
Answers
Draw a flowchart for a program which asks the user to enter a password. If the user enters "HiThere!" then print "Welcome" and continue (indicate continuation with a dotted line) If they enter a different password, print "Wrong Password" and end the program.
Answers
Answer:
You would want to use Code or Scratch to Complete this problem.
Explanation:
You can set passwords or do what you need to like in Zoom. You can use the chat to do this.
What will be assigned to the variable s_string after the following code executes? special = '1357 country ln.' s_string = special[ :4] '7' 5 '1357' '7 country ln.'
Answers
Answer:
1357
Explanation:
s_string = special[ :4]
"[:4]" means the first character up to the third character
True or Fales: Securing web applications is easier than protecting other systems.
Answers
False. Securing web applications is not necessarily easier than protecting other systems. In fact, it can be more complex and challenging due to the unique characteristics of web applications.
Web applications are generally accessible to a wide range of users from various locations, often over public networks. This wide accessibility makes them more vulnerable to security threats and cyberattacks. Additionally, web applications can involve a range of technologies, such as client-side scripting languages (e.g., JavaScript), server-side programming languages (e.g., PHP, Python), and databases, each with their own security concerns.
Protecting web applications requires a multi-layered approach that includes proper input validation, secure authentication mechanisms, encryption of sensitive data, and timely patching of vulnerabilities. It also involves addressing security issues in third-party components, such as plugins and libraries, which can be an ongoing challenge.
In contrast, other systems, such as closed networks or standalone applications, may have more controlled environments and limited access points, making it easier to implement security measures. However, it is important to note that the level of difficulty in securing any system depends on its specific features and requirements.
In conclusion, it is false to claim that securing web applications is inherently easier than protecting other systems. The unique nature of web applications, along with their widespread accessibility, can make them more challenging to secure. However, with a robust security strategy and continuous monitoring, it is possible to maintain a high level of protection for web applications.
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What is a simple definition for electricity?
Answers
The movement of electrical power or charge is known as electricity. It is a secondary energy source, meaning that we obtain it through the conversion of main energy sources like coal, natural gas, oil, nuclear power, and other natural sources.
Electricity is made up of the incredibly tiny particles protons and electrons. Additionally, it might be used to describe the energy you experience as electrons migrate from one place to another. An example of electricity in nature is lightning strikes. A large number of electrons travelling through the air at once and releasing a lot of energy is all that lightning is. In addition, scientists now understand how to make or produce electricity. Because electricity can be regulated and transmitted across wires, this is advantageous. Following that, it can run computers, heaters, and lightbulbs. In the modern world, electricity now provides the majority of the energy required to run everything.
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What are the steps to debugging?
Answers
Answer:
The basic steps in debugging are:
Recognize that a bug exists.
Isolate the source of the bug.
Identify the cause of the bug.
Determine a fix for the bug.
Apply the fix and test it.
e-mail crimes and violations rarely depend on the city, state, and country in which the e-mail originated. (True or False)
Answers
Answer: False
Explanation:
Write the name of the tab, command group, and icon you need to use to access the borders and shading dialog box.
TAB:
COMMAND GROUP:
ICON:
MICROSOFT WORD 2016
I NEED THIS ANSWERED PLZZ
Answers
Answer:
Tab: Home Tab
Command group: Paragraph
Icon: Triangle
Explanation:
3.4.6 colorful bracelet code hs
answer pls
Answers
circle(10)
left(10)
penup()
forward(20)
pendown()
penup()
backward (100)
right(90)
pendown()
for i in range (12):
color("purple")
begin_fill()
small_circle()
end_fill()
color("blue")
begin_fill()
small_circle()
end_fill()
color("red")
begin_fill()
small_circle()
end_fill()
penup()
setposition(0,0)
state whether the following statement are true or false
Answers
The following statement is true , Please mark me brainliest
A wimming pool contain 18,000 gallon of water. A boiler with an output of 50,000 Btu/hr i operated 8 hour per day to heat the pool. Auming all the heat i aborbed by the pool water with no loe to the ground or air, how much higher i the temperature of pool after the 8 hour of heating?
Answers
The temperature of pool after the 8 hour of heating will be 2.66 F.
Calculating the problem:Density of water = 64 .4 lb /ft²
volume = 18,000 gallon
volume = 18,000 × 0.1336
= 2404.8 ft³
Mass of water :
m = 64.4 × 2404.8
m = 150059. 52 lb
Q = m cΔT
q × t = m c ΔT
50000 × 8 = 150059.52 × 1× ΔT
ΔT = 2.66 F
What do you mean by temperature?
Temperature is a measure of heat or cold expressed on one of several scales, including Fahrenheit and Celsius. Temperature indicates the direction in which heat energy spontaneously flows. H. Hot body (high temperature) to cold body.
How do you measure the temperature?Use a thermometer to take my temperature. I think I have one thermometer at home to take my temperature when I'm feeling down. I used to use thermometers containing mercury, but I stopped using them because mercury is dangerous if it leaks or breaks the thermometer.
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A convened IRB Committee approved a protocol as a more than minimal risk study on February 15, 2019. In 2020, the study remains open to enrollment with 14 subjects currently enrolled and receiving the intervention. Which of the following best describes IRB continuation review requirements for this study?
O The research must be re-reviewed by the convened IRB on or before February 14, 2020.O The research must be re-reviewed by the convened IRB on or before February 14, 2018.O The research must be re-reviewed by the convened IRB on or after February 14, 2020.
Answers
The right response is: The convened IRB must reevaluate the research on or before February 14, 2020.
When should IRB ongoing review take place? What is it?What does Ongoing Review entail? You must submit a study to the IRB for continuing review permission if you want to keep working on it after its expiration date. The IRB conducts a fresh evaluation of the trial to decide whether it should proceed unaltered or with changes.
What day did the IRB approve?The date of IRB approval is the day the requested revisions are confirmed by the Chair, Vice Chair, or his/her designee when the research study is approved subject to amendments at a convened meeting.
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no\][∑∑ωω∨∧⊆⊄¬∅∩║∞°⇅Δ‰НОП muda muda muda muda muda muda muda muda muda wryyyyyyyyyyyy
Answers
i love to eat pickles
Answer:
wut
Explanation:
IM CONFUZZED.....................no\][∑∑ωω∨∧⊆⊄¬∅∩║∞°⇅Δ‰НОП muda muda muda muda muda muda muda muda muda wryyyyyyyyyyyy
I need this on repl.it (in python)
I would like the code plz
Task
Ask for the total price of the bill, then ask how many diners there are. Divide the total bill by the number of diners and show how much each person must pay.
Answers
Answer:
def bill(price, diners)
return bill / diners
For what reason can security risks never be fully eliminated?
Answers
Data integrity cannot be guaranteed securely while it is being transported. New dangers are continually developing, changing the threat environment. It is not crucial to put new security measures in place.
Data integrity is a crucial component of the design, implementation, and use of any system that stores, processes, or retrieves data. It is the preservation and assurance of data accuracy and consistency over the course of its full life-cycle.
The phrase has a wide range of applications and can signify quite different things depending on the situation, even within the same broad computing context. It is occasionally used as a stand-in for component quality, but requires data validation. The opposite of data corruption is data integrity. Any data integrity technique's main goal is the same: to make sure data is recorded exactly as intended (such as a database correctly rejecting mutually exclusive possibilities).
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Which component of the operating system selects the next process to be executed when the cpu becomes idle?
Answers
The next process to be executed when the CPU becomes idle is CPU scheduling. The foundation of multi-programmed operating systems is CPU scheduling.
The operating system can increase computer productivity by moving the CPU between processes. Multiprogramming is a rather straightforward concept. The operating system must choose one of the processes in the ready queue to be performed whenever the CPU becomes idle. The short-term scheduler handles the selection procedure.
One of the processes in memory that are ready to run is chosen by the scheduler, and that process is given the CPU. The issue of choosing which task in the ready queue should receive the CPU is dealt with by CPU scheduling.
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Write a program in the if statement that sets the variable hours to 10 when the flag variable minimum is set.
Answers
Answer:
I am using normally using conditions it will suit for all programming language
Explanation:
if(minimum){
hours=10
}
consider the earlier question where we set full permissions for permfile3 for the owner, all group members and all other users. assuming that not all of the users require read, write, and execute permissions to do their job, are these permissions following the principle of least privilege?
Answers
Based on the information provided, it appears that granting full permissions for permfile3 to the owner, all group members, and all other users may not follow the principle of least privilege.
The principle of least privilege is a security concept that requires granting users the minimum amount of access required to perform their job duties. This means that users should only be given the necessary level of access to complete their work, and no more. By following this principle, the risk of unauthorized access, modification, or deletion of sensitive data is minimized.In the case of permfile3, if not all users require read, write, and execute permissions to do their job, then granting full permissions to all users may be unnecessary and may increase the risk of unauthorized access or modification. In such a case, it would be better to limit the permissions granted to only those users who require them, following the principle of least privilege.
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clients can select their own operating systems, development environments, underlying applications like databases, or other software packages (i.e., clients, and not cloud vendors, get to pick the platform), while the cloud firm usually manages the infrastructure (providing hardware and networking)
Infrastructure as a Service (IaaS)
Answers
You are correct. Infrastructure as a Service (IaaS) is a cloud computing model.
What is Infrastructure as a Service (IaaS)?Infrastructure as a Service (IaaS) is a cloud computing model in which clients have the flexibility to select their own operating systems, development environments, and other software packages, while the cloud provider manages the underlying infrastructure, such as hardware, networking, and storage.
In this model, the client is responsible for deploying and managing their own applications and services, but the cloud provider takes care of the underlying infrastructure, including the physical servers, storage systems, and network devices.
This allows clients to have more control over their computing environment, while benefiting from the scalability, reliability, and security of the cloud provider's infrastructure.
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2/5
True or False: The benefits of prescription drugs do not outweigh
the risks.
TRUE
FALSE
Answers
This statement is subjective and cannot be definitively classified as true or false as it depends on individual perspectives and experiences with prescription drugs. Some people may believe that the benefits of prescription drugs outweigh the risks, while others may believe the opposite. It is important for individuals to consult with healthcare professionals and make informed decisions regarding prescription drug use.
Click fraud refers to
randomly "clicking" numbers to steal a credit card number in order to pay for items online.
using software to run continuous "clicks" in order to give an advantage in playing games or contests to win prizes.
having friends "click" an ad simultaneously to overload a website.
the deceptive clicking of ads solely to increase the amount advertisers must pay.
the practice of going to an advertiser's website to increase the number of "hits" for a product.
Answers
Click fraud refers to the deceptive clicking of ads solely to increase the amount advertisers must pay. Click fraud is a type of internet fraud that involves repeatedly clicking on pay-per-click PPC advertisements in order to artificially inflate the number of clicks and drive up advertising costs.
This can be done manually by individuals or using automated software programs called click bots. The purpose of click fraud is to drain the advertising budget of a competitor or to earn money through affiliate programs that pay based on the number of clicks received. It is illegal and can result in financial losses for businesses. The other options listed in the question are not accurate definitions of click fraud.
The first option describes credit card fraud, the second option describes cheating in online games or contests, the third option describes a type of denial of service attack, and the fourth option is the correct definition of click fraud. The fifth option describes a legitimate marketing tactic called website traffic generation, which involves increasing the number of visitors to a website to boost sales or brand awareness.
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In the following formula: =IF(A1="YES", "DONE", "RESTART"), what happens if A1= "NO"?
A. The formula returns the text "RESTART"
B. The formula returns the text "DONE"
C. The formula returns the text "NO" D. The formula returns the text "NO, RESTART"
Answers
In the following formula: =IF(A1="YES", "DONE", "RESTART"), if A1= "NO" then (a) the formula returns the text "RESTART".
Define a formula.
A formula is a statement that instructs the computer what mathematical operation to carry out on a given value. A formula is frequently used in spreadsheet programs when referring to computer software.
The spreadsheet formula lets you perform quick calculations and calculate totals across multiple cells, rows, or columns. As an illustration, the formula =A1+A2+A3 calculates the sum of the values in the range from cells A1 to A3.
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A major hospital uses an agile approach to manage surgery schedules. a large board set up in a common office allows staff to quickly identify which procedures are scheduled, the times they are scheduled, and who is involved. which method is described in this scenario?
Answers
In this scenario, the Agile approach (method) that is being used and described is referred to as Kanban.
What is SDLC?SDLC is an abbreviation for software development life cycle and it can be defined as a strategic methodology that defines the key steps, phases, or stages for the design, development and implementation of high quality software programs.
What is Agile software development?In Agile software development, the software development team are more focused on producing efficiently and effectively working software programs with less effort on documentation.
In this scenario, we can infer and logically deduce that the Agile approach (method) that is being used and described is referred to as Kanban because it necessitates and facilitates real-time capacity communication among staffs, as well as complete work openness.
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Complete Question:
A major hospital uses an Agile approach to manage surgery schedules. A large board set up in a common office allows staff to quickly identify which procedures are scheduled, the times they are scheduled, and who is involved. Which method is described in this scenario?
A. Journey
B. Mapping
C. Waterfall
D. Kanban
E. Sprint
F. I don't know this ye
Which of the following best describes what happens when we take unstructured data and organize it into structured data?
A. When unstructured data is organized into structured data there is some loss of data, but the data is in a much more usable format.
B. When we extract the the data from an unstructured source and organize it into a structured data set, no data is lost, it is just in a more usable format.
C. When data is taken from an unstructured data source and organized into a structured set of data, some data is lost, but the data is now much more useful.
D. When unstructured data is reorganized into a structured format there is no loss of data, it just simply becomes more useful in the new format.
Answers
Answer:
When unstructured data is organized into structured data there is some loss of data, but the data is in a much more usable format
Explanation: