Dataset split - Study guides, Class notes & Summaries

GISP Exam (2023) – Questions & Answers (Graded A+) GISP Exam (2023) – Questions & Answers (Graded A+) EPSG3857 - ANSWER - Wgs84 web Mercator auxiliary sphere EPSG - ANSWER - North America equal area conic EPSG54032 - ANSWER - World azimuthal equidistant EPSG4326 - ANSWER - WGS 84 Equals - ANSWER - A=B Disjoint - ANSWER - A n B = no point in common Features or portions of features that are common to all inputs are written to output - ANSWER - Intersects Contains - ANS...

Unit 1: Identify Variable Types and Values Dr. Jardines Statistics Herzing University Variable Types and Values Looking over the information in the Heart Rate Dataset in excel, I was able to evaluate and identify all the different variables. The three variables used are: 1. Sex (Male/Female) - Qualitative 2. Resting heart rate – Quantitative continuous 3. Heart rate after exercise – Quantitative continuous For the variable Sex, or female/male, this is recorded as a 0 or ...

5 steps to building a machine learning model - 1. choosing a class of model 2. choose hyperparameters 3. arrange data 4. fit the model 5. predict a silhouette score of 1 is the [best/worst] and -1 is the [best/worst] score - best, worst basic idea of regression - we have some X values called features and some Y value, the variable we are trying to predict Difference between unsupervised and supervised learning - unsupervised: you have an X but no Y supervised: you have an X and a Y Ima...

Explain the difference between descriptive, predictive, and prescriptive modeling - Answer- Descriptive - focuses on what happened in the past and aims to describe the observed trends by identifying relationships between variables. Predictive - What will happen in the future and making accurate predictions. Prescriptive - Combo of optimization and simulation to investigate the impact of prescribed actions in different scenarios. Explain the difference between supervised and unsupervised le...

Which of the following are covered in the 70-778 exam? (Choose three) Modeling and visualizing data Connecting and transforming data Dashboards, reports, and apps Datasource maintenance and refresh schedules Modeling and visualizing data Connecting and transforming data Dashboards, reports, and apps Upon signing in to the Power BI web service, which of the following do you download? A. Power BI Mobile B. Power BI Desktop C. Data Gateway D. Power BI for Excel...

EPPP Practice Exam Questions Complete Guide Rated A+ J. Berry conceptualizes acculturation as a continuum where different models exist, with minority and majority cultures positioned at opposite ends. Integration occurs when an individual maintains a strong connection to both the minority culture and the mainstream culture. Lenore Walker describes a cycle of violence in relationships that includes three stages: tension building, acute battering incidents, and loving contrition. In the ...

What are some of the data sources you can use in PBI? Flat files & Folders (csv, text, excel, json, etc). Databases (SQL Access, Oracle, IBM, MySql, etc.). Power Platform (Dataflows, Power BI Datasets, Datavers3, etc). Azure (SQL Db, Blob Storage, Cosmos DB, Data Lake Storage, etc). Online Services (Sharepoint, Github, Dynamics 365, Google Analytics, Salesforce, etc). Others (web feeds, R scripts, Spark, Hadoop, etc.). What let's you shape and transform data? Query editor What is Po...

glimpse() - correct answer A little glimpse of our dataframe. It's somewhat like head() but it displays column headers in a lefthand column rather than as horizontal headers. as_factor - correct answer nameless_data %>% mutate(some_column= as_factor(some_column)) levels() - correct answer A factor can have multiple levels or subcategories- like one motor, two motors, and th...

Splunk - Core Power User Exam - DUMP | 2024 questions & answers Splunk - Core Power User Exam - DUMP When performing a regular expression (regex) field extraction using the Field Extractor (FX), what happens when the require option is used? A. The regex can no longer be edited. B. The field being extracted will be required for all future events. C. The events without the required field will not display in searches. D. Only events with the required string will be included in the extraction...

Amanda is measuring the temperature. She looks at the thermometer and sees that it is somewhere between 65 and 66 degrees Fahrenheit. She is okay with the temperature in between two integers because she knows temperature is not ________ data, but temperature is _________ data.  a) Nominal, Ordinal  b) Nominal, Discrete  c) Continuous, Discrete  d) Discrete, Continuous Feedback: The correct answer is D. Temperature is not a measure that comes in increments (discrete) but is co...