Machine Learning
Machine Learning
- Write in details about following with examples:
• Descriptive analytics
• Predictive analytics
• Prescriptive analytics - Write theory and mathematics of the following algorithms:
• Multivariate Feature Selection
• Random forests
• Neural Network
• Support vector machines
• Mathematical modeling, simulation, and optimization
Note: Cite referenced materials.
Use Dataset at: https://www.kaggle.com/jpacse/telecom-churn-new-cell2cell-dataset
Note: use Python as language
Descriptive analytics
- Perform univariate data exploration and comment on results.
- Perform bi-variate data exploration and comment on results.
- Which attributes predict churn behavior? Discuss finding.
Predictive analytics - Perform multivariate feature selection and comment on results
- Build predictive models using Random Forests, Neural Network, and Support Vector Machines. Discuss the performance of the models and compare the models.
Prescriptive analytics
- Run mathematical modeling, simulation and optimization techniques to optimize customer retention (or avoid churn). Comment on results.
Sample Solution
This page of the article has 2073 words. Download the full form above. The United States is home to the absolute generally famous and productive sequential executioners ever. Names, for example, Ted Bundy, Gary Ridgeway, and the Zodiac Killer have become commonly recognized names because of the horrendous idea of their wrongdoings. One of the most productive sequential executioners in American history is John Wayne Gacy. Nicknamed the Killer Clown due to his calling, Gacy assaulted and killed in any event 33 adolescent young men and youngsters somewhere in the range of 1972 and 1978, which is one of the most elevated realized unfortunate casualty checks. Gacy’s story has become so notable that his violations have been highlighted in mainstream society and TV appears, for example, American Horror Story: Hotel and Criminal Minds. Legal science has, and keeps on playing, a significant job in the explaining of the case and recognizable proof of the people in question. John Wayne Gacy’s history of sexual and psychological mistreatment was instrumental in provoking specialist’s curiosity of him as a suspect. John Wayne Gacy was conceived on March 17, 1942, in Chicago, Illinois. Being the main child out of three youngsters, Gacy had a stressed relationship with his dad, who drank intensely and was regularly oppressive towards the whole family (Sullivan and Maiken 48). In 1949, a temporary worker, who was a family companion, would caress Gacy during rides in his truck; be that as it may, Gacy never uncovered these experiences to his folks because of a paranoid fear of reprisal from his dad (Foreman 54). His dad’s mental maltreatment proceeded into his young grown-up years, and Gacy moved to Las Vegas where he worked quickly in the emergency vehicle administration before turning into a funeral home specialist (Sullivan and Maiken 50). As a funeral home orderly, Gacy was vigorously associated with the preserving procedure and conceded that one night, he moved into the pine box of a perished adolescent kid and stroked the body (Cahill and Ewing 46). Stunned at himself, Gacy comes back to Chicago to live with his family and graduates from Northwestern Business College in 1963, and acknowledges an administration student position with Nunn-Bush Shoe Company. In 1964, Gacy is moved to Springfield and meets his future spouse, Marlynn Myers. In Springfield, Gacy has his subsequent gay experience when a colleague shakily performed oral sex on him (London 11:7). Gacy moves to Waterloo, Iowa, and starts a family with Myers. In any case, after normally undermining his significant other with whores, Gacy submits his previously known rape in 1967 upon Donald Vorhees. In the coming months, Gacy explicitly manhandles a few different young people and is captured and accused of oral homosexuality (Sullivan and Maiken 60). On December 3, 1968, Gacy is indicted and condemned to ten years at the Anamosa State Penitentiary. Gacy turns into a model detainee at Anamosa and is allowed parole in June of 1970, an insignificant year and a half after his condemning. He had to move to Chicago and live with his mom and watch a 10:00PM time limit. Not exactly a year later, Gacy is accused again of explicitly ambushing a high school kid yet the adolescent didn’t show up in court, so the charges were dropped. Gacy was known by numerous individuals in his locale to be an enthusiastic volunteer and being dynamic in network governmental issues. His job as “Pogo the Clown” the comedian started in 1975 when Gacy joined a neighborhood “Jaunty Joker” jokester club that consistently performed at gathering pledges occasions. On January 3, 1972, Gacy submits his first homicide of Timothy McCoy, a 16-year old kid making a trip from Michigan to Omaha. Guaranteeing that McCoy went into his room using a kitchen blade, Gacy gets into a physical quarrel with McCoy before cutting him more than once in the chest. Subsequent to understanding that McCoy had absentmindedly strolled into the stay with the blade while attempting to get ready breakfast, Gacy covers the body in his creep space. Gacy conceded in the meetings following his capture that executing McCoy gave him a “mind-desensitizing climax”, expressing that this homicide was the point at which he “understood demise was a definitive rush” (Cahill and Ewing 349). Very nearly 2 years after the fact, Gacy submits his second homicide of a unidentified youngster. Gacy choked the kid before stuffing the body in his storeroom before covering him (Cahill 349). In 1975, Gacy’s business was developing rapidly and his craving for youngsters developed with it. Gacy regularly baited youngsters under his work to his home, persuading them to place themselves in cuffs, and assaulting and tormenting them before choking them (Cahill 169-170). A large portion of Gacy’s homicides occurred somewhere in the range of 1976 and 1978, the first of this time occurring in April 1976. A large number of the young people that were killed during this time were covered in a slither space under Gacy’s home. For the rest of the homicides, Gacy confessed to losing five bodies the I-55 scaffold into the Des Plaines River; be that as it may, just four of the bodies were ever recuperated (Linedecker 152). In December 1978, Gacy meets Robert Jerome Piest, a 15-year old kid working at a drug store and extends to him an employment opportunity at Gacy’s firm. Piest educates his mom regarding this and neglects to restore that night. The Piest family records a missing individual’s report and the drug specialist advises police that Gacy would no doubt be the man that Jerome addressed about an occupation. When addressed by the police, Gacy denied any contribution in Piest’s vanishing. Be that as it may, the police were not persuaded, and Gacy’s history of sexual maltreatment and battery incited the police to look through his home. Among the things found at Gacy’s home were a 1975 secondary school class ring with the initials J.A.S., numerous driver’s licenses, binds, garments that was unreasonably little for Gacy, and a receipt for the drug store that Piest had worked at. Through the span of the following barely any days, examiners got numerous calls and tips about Gacy’s rapes and the baffling vanishings of Gacy’s workers. The class ring was inevitably followed back to John A. Szyc, one of Gacy’s unfortunate casualties in 1977. Futhermore, after looking at Gacy’s vehicle, agents found a little group of filaments taking after human hair, which were sent to the labs for additional investigation. That equivalent night, search hounds were utilized to recognize any hint of Piest in Gacy’s vehicle, and one of the canines demonstrated that Piest had, truth be told, been available in the vehicle. On December 20, 1977, under the pressure of consistent police reconnaissance and examination, Gacy admits to more than 30 homicides and educates his legal counselor and companion where the bodies were covered, both in the creep space and the waterway. 26 exploited people were found in the creep space and 4 in the stream. Gacy is captured, indicted for 33 homicides, and condemned to death by deadly infusion. He endeavored a madness supplication yet was denied, and was executed on May 10, 1994. There were a few measurable pointers that agents used to attach Gacy to the homicides. A portion of these include fiber examination, dental and radiology records, utilizing the decay procedure of the human body, and facial remaking in recognizing the people in question. Examiners discovered filaments that took after human hair in both Gacy’s vehicle and close to the slither space where the bodies were covered. Notwithstanding these hair tests, examiners additionally discovered strands that contained hints of Gacy’s blood and semen in a similar region. Blood having a place with the exploited people was found on a portion of the strands, which would later straightforwardly attach Gacy to the wrongdoings. The filaments in Gacy’s vehicle were broke down by legal researchers and coordinated Piest’s hair tests. Besides, the pursuit hounds that established that Piest had been in Gacy’s vehicle showed this by a “demise response”, which told agents that Piest’s dead body had been within Gacy’s vehicle. Out of Gacy’s 33 known unfortunate casualties, just 25 were ever decisively distinguished. A considerable lot of Gacy’s exploited people had comparative physical depictions and were accordingly difficult to recognize by simply asking the general population. To distinguish the people in question, specialists went to Betty Pat Gatliff, a pioneer in criminological science and facial remaking. Facial remaking is the way toward reproducing the facial highlights of a person by utilizing their remaining parts. Certain facial highlights, for example, facial structures, nasal structure, and by and large face shape can be valuable in distinguishing an injured individual even long in the afterlife. By utilizing these highlights, and with the assistance of program, scientific specialists can make a picture of an individual’s face, which is instrumental in distinguishing exploited people after their bodies have rotted. Facial recreation should be possible in a few measurements. Two-dimensional facial reproductions is utilized with skull radiographs and depend on pre-passing photos and data. In any case, this isn’t really perfect in light of the fact that cranial highlights are not constantly noticeable or at the correct scale (Downing). So as to get a sensible and progressively precise portrayal of the unfortunate casualty’s face, a craftsman and a legal anthropologist are generally fundamental (Downing). Three-dimensional facial recreation is finished by figures or high goals, three-dimensional pictures. PC programs can make facial reproductions by controlling checked photos of the remaining parts and use approximations to reproduce facial highlights. These will in general produce results that don’t look counterfeit (Reichs and Craig 491). Now and then, agents will utilize a strategy called superimposition as a procedure for facial recreation. Tragically, it’s anything but a regularly utilized technique, as it expects specialists to have some information about the character of the remaining parts they are managing. By superimposing a photo of a person over the skeletal remains, specialists can check whether the facial highlights line up with the anatomical highlights, permitting them to distinguish an unfortunate casualty.>
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