Mastodawn

Dr. Marsja Nov 28, 2022

Been looked out of my work computer for 1 h now. The system wants me to Chang ethe password but I am at the same time not allowed to change password. Productive start of my day? How's your day going?

#science #academia #academicchatter #psychology

Dr. Marsja Apr 28, 2022

Alright... #academia #phdlife #phdchat

Dr. Marsja Nov 26, 2020

In my latest #RStats post, I'll show you how you can select columns using base R and dplyr: https://bit.ly/35XCrRw
Specifically, you will learn how to select columns by index, by name, and when they end or starts with a letter or word. Finally, you will also learn how to select columns containing a string. #Datascience #programming #coding #coder #R

Select Columns in R by Name, Index, Letters, & Certain Words with dplyr

Learn how to select certain columns in R by name, index, starting and ending with letters, containing strings using dplyr.

Dr. Marsja Nov 23, 2020

In this #Python tutorial, you will learn how to carry out the paired sample t-test: https://youtu.be/16Sa31mbTWE
First, you will learn a bit about this parametric test, then you will learn how to carry out it using #ScIpy and, then, how to do it using Pingouin. Finally, you will learn how to interpret and visualize the results from your study.

How to use Python to do Paired Sample T-test - SciPy, Pandas, and Pingouin

YouTube

Dr. Marsja Nov 6, 2020

In my latest #RStats post, you will learn how to rename levels of a factor: https://www.marsja.se/how-to-rename-factor-levels-in-r-dplyr/
#Datascience #Programming

How to Rename Factor Levels in R using levels() and dplyr

In this R tutorial, you will learn how to rename factor levels in R. We will use the levels() function & then recode_factor() from dplyr.

Erik Marsja

Dr. Marsja Oct 25, 2020

In this #Python data analysis tutorial, you will learn how to do Levene’s test and Bartlett’s Test with #SciPy: https://bit.ly/2Hq33ks

These two test are two tests of the assumption of Equality of variances.

Levene's & Bartlett's Test of Equality (Homogeneity) of Variance in Python

Here you will learn how to carry out two tests for equality of variances in Python: Bartlett's test and Levene's Test

Dr. Marsja Oct 7, 2020

How to use %in% in R: 7 Examples of Uses of The Operator #programming #RStats #datascience https://t.co/n6mOuRwCSO

How to use %in% in R: 7 Example Uses of the Operator

8 excellente uses of the %in% operator in R. For example, testing if elements in one vector are in another, creating or removing variables.

Dr. Marsja Sep 27, 2020

In my latest post, I go through how to convert float to int array: https://www.marsja.se/how-to-convert-a-float-array-to-an-integer-array-in-python-with-numpy/?utm_source=twitter&utm_medium=website&utm_campaign=SocialSnap

Specifically, I will show you how to convert an array containing float numbers to an integer array.

How to Convert a Float Array to an Integer Array in Python with NumPy

In this post, you will learn how to convert a float array to an integer array in Python using NumPy and the astype() method.

Erik Marsja

Dr. Marsja Sep 27, 2020

In the latest post, you will learn about the Mann-Whitney-Wilcoxon test (AKA Mann-Whitney U test) and how to perform the test in Python: https://www.marsja.se/how-to-perform-mann-whitney-u-test-in-python-with-scipy-and-pingouin/

First, you'll learn why and when to this non-parametric test. After this, you will learn how to do Mann-Whitney U test with Scipy and Pingouin. #Python #datascience #data #statistics #programming #MachineLearning #ml #ai #ArtificialIntelligence #SciPy #Pandas