- Premium Academic Help From Professionals
- +1 323 471 4575
- academicperfect@gmail.com

Table of Contents

Order ID# 45178248544XXTG457 |
Plagiarism Level: 0-0.5% |
Writer Classification: PhD competent |

Style: APA/MLA/Harvard/Chicago |
Delivery: Minimum 3 Hours |
Revision: Permitted |

Sources: 4-6 |
Course Level: Masters/University College |
Guarantee Status: 96-99% |

**Instructions**

Survival analysis modeling Assignment Essay

Survival analysis is a statistical method used to analyze data on the time it takes for an event of interest to occur, such as the time until a patient dies or the time until a machine breaks down. The goal of survival analysis is to model the probability distribution of the time until the event of interest occurs, also known as the survival function. Survival analysis is used in a wide range of fields, including medicine, engineering, and social sciences.

The basic idea behind survival analysis is that we have data on the time until an event of interest occurs for a group of individuals, and we want to estimate the probability distribution of the time until the event occurs. The key assumption in survival analysis is that the probability of an event occurring at any given time depends on the time elapsed since the start of the observation period and on individual characteristics of the subjects, such as age, sex, or disease status.

There are several statistical models used in survival analysis, but the most common is the Cox proportional hazards model. This model is a type of regression analysis that allows us to estimate the effect of covariates, or explanatory variables, on the survival time of individuals. The model assumes that the hazard, or the instantaneous rate of an event occurring at any given time, is proportional to a baseline hazard function that does not depend on covariates, and to a set of covariates that may affect the hazard. In other words, the Cox model assumes that the hazard ratio between two individuals with different covariate values is constant over time.

The Cox model can be used to estimate the effect of covariates on the hazard ratio, which is a measure of the relative risk of an event occurring for individuals with different covariate values. The hazard ratio can be used to estimate the effect of a treatment or an exposure on the survival time of individuals, while controlling for other covariates.

Another important concept in survival analysis is censoring, which occurs when we do not observe the event of interest for some individuals. Censoring can be either right-censoring, when the event has not occurred by the end of the observation period, or left-censoring, when the event occurred before the start of the observation period. Censoring is a common issue in survival analysis, and several methods have been developed to account for it, such as the Kaplan-Meier estimator and the Cox model.

The Kaplan-Meier estimator is a nonparametric method that allows us to estimate the survival function from the observed data, while accounting for censoring. The estimator calculates the probability of surviving beyond a given time point, based on the number of individuals at risk at that time point and the number of events that have occurred up to that time point. The Kaplan-Meier estimator can be used to compare the survival time between different groups of individuals, such as a treatment group and a control group.

In summary, survival analysis is a powerful statistical method used to analyze data on the time until an event of interest occurs. The Cox proportional hazards model is the most common method used in survival analysis, and it allows us to estimate the effect of covariates on the hazard ratio, while accounting for censoring. The Kaplan-Meier estimator is a nonparametric method used to estimate the survival function from the observed data, while accounting for censoring. Survival analysis is a valuable tool in many fields, and it can provide important insights into the factors that influence the time until an event of interest occurs.

Survival analysis modeling Assignment Essay

RUBRICExcellent Quality95-100%

Introduction45-41 points

The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.

Literature Support91-84 points

The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.

Methodology58-53 points

Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.

Average Score50-85%

40-38 points More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.

83-76 points Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.

52-49 points Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.

Poor Quality0-45%

37-1 points The background and/or significance are missing. No search history information is provided.

75-1 points Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.

48-1 points There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met

You Can Also Place the Order at www.perfectacademic.com/orders/ordernow or www.crucialessay.com/orders/ordernow

error: Content is protected !!

Open chat

You can contact our live agent via WhatsApp! Via our number +1 323 471 4575.

Feel Free To Ask Questions, Clarifications, or Discounts, Available When Placing the Order.