3. [ STATVAR ]並藉由[

][

]捲動統計結果的選單,找出

你想要的或然率分配變數(見下表)

變數意義

t檢驗值

P ( t )

代表標準常態分配中,小於 t 值的累積區域

R ( t )

代表標準常態分配中,位於 t 0 值間的累積區

 

R ( t ) =1 – ( t )

Q ( t )

代表標準常態分配中,大於 t 值的累積區域

 

Q ( t ) = 0.5 – ( t )

„ 線性回歸

步驟: ( 請參閱範例 56. )

 

1. 依據 2–VAR模式中的數據值,按[ STATVAR ]並藉[

][ ]

捲動統計結果選單,找出 a, b, r

 

2.經給定 y 值之後回歸計算 x 數值時,選擇 x '變數後按[ ]

輸入一數值,再按[ ]即可;若想經由給定一 x 值回歸計

算一 y 值時,選擇 y '變數後按[ ],輸入一數值,再按

[ ]即可(見下表)

變數

意義

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a

線性回歸的常數項

a =

y b x

 

n

 

 

 

 

 

 

 

b

線性回歸的回歸係數

b =

(nxy − ∑ xy)

 

(nx2 (x)2 )

 

 

 

 

r相關係數

 

r =

(nxy − ∑ xy)

 

 

 

 

 

(nx2 (x)2 )(ny2 (y)2 )

 

 

x '

給定 a, b, y 值回歸計算 x

x' =

y a

 

b

 

 

 

 

y '

給定 a, b, x 值回歸計算 y

y' = a + bx

„修正數據

步驟: ( 請參閱範例 57. )

1.[ DATA ].

2.欲變更 1–VAR模式下的 x 數據值或 x 數據的權數值 FREQ(或 者是 2–VAR模式下的對應的 y 數據值)請選擇 DATA–INPUT 欲變更規格上限值、規格上限值,請選擇 LIMIT–SET;欲變更 ax 值,請選擇 DISTR

3.[ ]檢視你鍵入的數據資料。

C – 16

File name : CBM_SR285,A_HDBSR285T19_Chinese.doc

version : 2010/04/26

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Image 242
Citizen SRP-280N/SRP-285N manual „ 線性回歸

SRP-280N, SRP-280N/SRP-285N specifications

The Citizen SRP-280N and SRP-285N are both advanced thermal printers designed to meet the needs of various industries, including retail, hospitality, and logistics. Known for their reliability and performance, these models are particularly favored for their speed and efficiency in printing receipts and labels.

One of the standout features of the SRP-280N is its high-speed printing capability. It can produce printouts at an impressive rate of 200 mm per second, ensuring that businesses can process transactions quickly, which is crucial during peak hours. Similarly, the SRP-285N offers rapid printing speeds, making it ideal for environments where time is of the essence.

Both models utilize direct thermal printing technology, which eliminates the need for ink or ribbons, reducing maintenance costs and downtime. The printers are equipped with easy-to-load paper mechanisms, allowing users to quickly replace paper rolls with minimal disruption to workflow. This feature is particularly advantageous for high-volume settings where efficiency is paramount.

The Citizen SRP-280N and SRP-285N support a variety of paper widths, making them versatile for different printing tasks. The models can handle standard thermal paper rolls, commonly used for receipts, as well as labels, catering to diverse business requirements. This flexibility is further enhanced by the compatibility of both printers with various operating systems, including Windows and Android, ensuring seamless integration into existing systems.

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Overall, the Citizen SRP-280N and SRP-285N printers combine speed, versatility, and durability, making them an excellent choice for businesses that require reliable printing solutions. With their advanced technology and thoughtful design, these printers can significantly enhance operational efficiency in any setting.