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\begin{equation}
\hat{y} = \beta_0 + \beta_1 x
\end{equation}
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@white-collar
white-collar / table.csv
Last active October 1, 2024 19:14
Table example
Time which student spent learning software development Scores students got on exam
0.00 0.50
0.53 2.93
1.05 3.13
1.58 3.96
2.11 5.54
2.63 6.60
3.16 7.42
3.68 8.29
4.21 9.69
@white-collar
white-collar / Linux
Created August 2, 2021 20:17
Linux Befehle
1. apropos - Durchsuchen Sie alle Befehles in Linux
2. history - Zeigt den Verlauf der Befehles an
3. Ctrl-A - gehe zum Anfang des Strings ,
Ctrl-B - zun Ende gehen ,
Ctrl-U - entferne den Befel,
Ctrl-K - bis zum Ende von der aktuellen Position entfernen
4. cd / - gehe ins Stammerverzechnis
5. rmdir - entfernt das Verzeichnis
@white-collar
white-collar / sql
Created February 27, 2020 15:24
SQL
CREATE TABLE weather (
city varchar(80),
temp_lo int, -- low temperature
temp_hi int, -- high temperature
prcp real, -- precipitation
date date
);
CREATE TABLE cities (
name varchar(80),
CREATE TABLE Products
(
Id SERIAL PRIMARY KEY,
ProductName VARCHAR(30) NOT NULL,
Company VARCHAR(20) NOT NULL,
ProductCount INTEGER DEFAULT 0,
Price NUMERIC NOT NULL
);
CREATE TABLE Customers
(
@white-collar
white-collar / txt
Created February 27, 2020 14:40
Postgres sql hints
-- show tables
\dt
-- create a new database
# CREATE DATABASE mydb;
-- create user
# CREATE USER abhinay with password 'secret';
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