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\begin{equation} | |
\hat{y} = \beta_0 + \beta_1 x | |
\end{equation} |
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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 |
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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 |
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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), |
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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 | |
( |
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-- show tables | |
\dt | |
-- create a new database | |
# CREATE DATABASE mydb; | |
-- create user | |
# CREATE USER abhinay with password 'secret'; |
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What is Comparable ? |