Publications by Bryan Calderon

ECNM HW3 Wine

12.12.2024

Table of contents Preparation Clear Data Loading Packages Bringing in Data Introduction Variables 1. Cleaning the Data Understanding Missing Variables Dropping variables Cleaning the data 2. Data Exploration Summary table with changes Graphs Distribution of Key Variables Which variables drive cases sold? Trend deep dive Correlation Analys...

16477 sym Python (9353 sym/24 pcs) 16 img 4 tbl

Discussion Heteroskedasticity

05.12.2024

Table of contents Part 1 Part 2 Running Model - Math scores Applying the White Test Applying the Auxiliary Regression Applying the Chi Squared Test Discussion Heteroskedasticity Author Bryan Calderon Part 1 ’1) What is “heteroskedasticity”, and the econometric issue it causes (affects point estimates or standard errors)? (2-3 sentences ...

3252 sym 2 img

Meeting Final project

29.11.2024

ECNM Research project Author Bryan Calderon Setup Data Graphs and charts # A tibble: 3 × 2 price_bucket count <chr> <int> 1 <$1MM 3021 2 $1-2MM 109 3 >$2MM 29 Summary Table of Numeric Variables for nj_dt2 Mean Median Minimum Maximum Kurtosis Skew SD NA Count Year 2,012 2,012 2,011 2,013 -0.70 -0.50 0.6...

168 sym 2 img 1 tbl

HW 2 - Insurance

26.11.2024

Table of contents Preparation Clear Data Loading Packages Bringing in Data Introduction Variables 1. Cleaning Data Removing “Z_” prefix from the data set Distribution by variable “Z_” count after removal are now 0 Renaming Variables Understanding Missing Variables Cleaning the data Result of the data clean up 2. Data Exploration Su...

31565 sym 26 img 11 tbl

ECNM Discussion 8

31.10.2024

Table of contents Part 1 Adjusting the data set Running the Model Results from the Model Part 2) Part A Creating the two models Setup Optimal Lambda Ridge and Lasso regressions Results from the Models Part B Adjusting the scale of the models Setup Optimal Lambda Ridge and Lasso regressions Results from the Models ECNM Discussion 8 Author ...

4171 sym Python (5751 sym/43 pcs)

ECNM Discussion 7

24.10.2024

Table of contents Loading Packages Bringing in Data Part 1 Overview Checking for balance Part 2 OLS Interpreting the results Part 3: Fixed Effects Models Dummy Variables Demeaned Regression Method Within Estimator Method Comparing the three methods Results Below is the two way FE (state and time) ECNM Discussion_7 Author Bryan Calderon L...

5926 sym Python (15377 sym/19 pcs) 2 tbl

ECNM Discussion 6

10.10.2024

Discussion 6 Clear Data used (Mb) gc trigger (Mb) limit (Mb) max used (Mb) Ncells 580775 31.1 1324645 70.8 NA 669422 35.8 Vcells 1068540 8.2 8388608 64.0 16384 1851968 14.2 Bringing in data Rows: 48 Columns: 6 ── Column specification ────────────────────────�...

4767 sym Python (4000 sym/18 pcs)

ECNM Discussion 5

28.09.2024

Table of contents Part 1) What is bias of an estimator? Part 2) Omitted Variable Bias (OVB) Part 3) Applying Omitted Variable Bias on a data set Section 3.1 - Bringing in the data and creating new variables Section 3.2 - Omitting a variable (tax) Section 3.3 - Understanding the conditions Section 3.4 - Bias direction Section 3.5 - Using stargazer...

4876 sym Python (4633 sym/27 pcs) 2 img

ECNM_Discussion_4

25.09.2024

Table of contents Clear Data Part 1) Gauss Markov Assumptions - Explantions Part 2) Cross sectional datasets Part 3) 4 Linear Regression Plots ECNM_Discussion_4 Clear Data rm(list = ls()) # Clear all files from your environment gc() # Clear unused memory used (Mb) gc trigger (Mb) limit (Mb) max used (Mb) Ncel...

7419 sym Python (7079 sym/45 pcs) 14 img

ECNM Discussion 3

19.09.2024

Table of contents 0.1 Clear Data 1 Part A 2 Part B ECNM Discussion 3 Author Bryan Calderon 0.1 Clear Data rm(list = ls()) # Clear all files from your environment gc() # Clear unused memory used (Mb) gc trigger (Mb) limit (Mb) max used (Mb) Ncells 581808 31.1 1327592 71 NA 669431 35.8 Vcells...

4498 sym Python (5934 sym/44 pcs) 5 img