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Introduction to Machine Learning Introduction to Machine Learning in R Machine learning is a branch of Artificial Intelligence that studies programs/algorithms that improve, or “learn” through experience. In machine learning, programs/algorithms typically learn to perform tasks such as prediction without being explicitly programmed to do ...
14191 sym R (9507 sym/29 pcs) 1 img
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Train Test Split Statistical Prediction Outline Training and Testing Cross-validation Goal: Learn the concepts, terminology, and techniques in statistical prediction! Part 1: Training and Testing Recall: Regression We want to know the relationship between covariates (X’s) and response (Y), we can do this with a method called regression. ...
8516 sym R (16593 sym/47 pcs)
Week 3 - Joins
Joins - Week 3 Illya Mowerman 2/5/2024 What we’ll cover Joins with tidyverse Please load some pakages library(tidyverse) library(AER) data('Affairs') affairs <- Affairs Basic joining verbs for today inner join left join right join semi join anti join (my personal favorite) Additional wrangling verbs pivot_longer pivot_wider inner_join ...
471 sym Python (2554 sym/33 pcs)
Fitting Different Models to Data
Fitting Models to Data Linear Models Terminology/Definitions Correlation is a statistical technique that can show whether and how strongly pairs (strength) of variables are related. For example, height and weight are related; taller people tend to be heavier than shorter people. The coefficient of determination is the proportion of the varia...
21520 sym R (28295 sym/150 pcs) 10 img
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knitr::opts_chunk$set(warning = FALSE, message = FALSE) package pacman::p_load(tidyverse, lubridate, tableone, skimr, duckdb, arrow, RSQLite) データベース FドライブのDatabaseフォルダ内のmimic.dbにアクセスする場合は以下のコード（各自の状況に合わせて適宜修正）。 （mimic.dbが無�...
635 sym
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（前回までの資料も記載していますが、コードは最低限にしています。復習は前回の資料を参照してください。） package pacman::p_load(tidyverse, lubridate, tableone, skimr, duckdb, arrow, RSQLite) データベース FドライブのDatabaseフォルダ内のmimic.dbにアクセスする�...
3189 sym Python (15433 sym/79 pcs) 3 img 10 tbl
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（前回までの資料も一部記載していますが、コードは最低限にしています。復習は前回の資料を参照してください。） package pacman::p_load(tidyverse, lubridate, tableone, skimr, duckdb, arrow, RSQLite) データベース FドライブのDatabaseフォルダ内のmimic.dbにアクセス�...
3518 sym Python (15958 sym/54 pcs) 2 img
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（前回までの資料も一部記載していますが、コードは最低限にしています。復習は前回の資料を参照してください。） package pacman::p_load(tidyverse, lubridate, tableone, skimr, duckdb, arrow, RSQLite) データベース FドライブのDatabaseフォルダ内のmimic.dbにアクセス�...
3683 sym Python (30887 sym/99 pcs) 3 img