Outdegree analysis of the sites

Outdegree usually presents the responding to the articles posted by the users, and if the numeric of Outdegree is higher, it will represent the user may have many interests to particular issues.

4.4.1Outdegree analysis of the PTT site (1) Outdegree of the PTT site

The Outdegree index of the PTT site is sorted as shown in Table 4-11 in five months accumulation, and the above items of Table 4-11 are number, code, Outdegree, and normalized Outdegree. The normalized Outdegree (NrmOutdegree) showed the objective figure and represented the phenomenon of Outdegree’s dilution with the numbers of site user increase so as to comprehend the partial state of information diffusion.

The range of the normalized numeric is from 0.366 to 0.180, and it extracted the top twenty Outdegree numeric from 579 users, and demonstrated the decentralized outward network of PTT site through five months.

The Codes of the highest Outdegree are P07000015, P02000015 and P05000019 on the PTT site. This study illustrated the Outdegree of the separate code through five months hereafter.

Table 4-11 Outdegree of the PTT site in five months

No. Code Outdegree NrmOutdegree

1 P07000015 272.000 0.336 2 P02000015 261.000 0.323 3 P05000019 245.000 0.303 4 P01000020 240.000 0.293 5 P20000011 240.000 0.293 6 P11000030 210.000 0.260 7 P11000047 210.000 0.260 8 P01000001 201.000 0.248 9 P04000158 201.000 0.248 10 P01000231 197.000 0.243 11 P17000001 196.000 0.242 12 P10000041 195.000 0.241 13 P05000050 189.000 0.234 14 P10000048 175.500 0.217 15 P07000007 168.000 0.208 16 P20000025 161.000 0.199 17 P02000108 147.000 0.182 18 P10000060 147.000 0.182 19 P20000004 147.000 0.182 20 P01000012 146.000 0.180

2. The codes of top three Outdegree through five months Table 4-12 The top three Outdegree on PTT site

Table 4-12 showed the Outdegree of Code-P07000015, P02000015 and P05000019. The un-normalized Outdegree of Code- P07000015 is becoming greater from the second to the fifth month, and the normalized Outdegree is also becoming greater with the time increasing. It means that the network of PTT site centralized over time significantly for the users increment and outward diffused through five months. Moreover, it may have interested in further topics about the new discussions. The un-normalized Outdegree of Code- P02000015 is becoming greater from the second to the fifth month, and the normalized Outdegree is not becoming greater with the time passing by, and it means that the network of PTT site did not centralize over time significantly for the users increasing and outward diffused through five months.

The un-normalized Outdegree of Code-P05000019. It is the same from the second to the fifth month, and the normalized Outdegree is not becoming less with the time increase. It means that the network of PTT site did not centralize over time significantly for the users increase and outward diffused in five months by code-P05000019.

Code P07000015 P20000025 P20000011

Month Outdegree NrmOutdegree Outdegree NrmOutdegree Outdegree NrmOutdegree

1 0 0 0 0 0 0

2 6.000 0.049 17.000 0.140 245.000 2.016

3 22.000 0.057 100.000 0.258 245.000 0.631

4 34.000 0.073 110.000 0.236 245.000 0.525

5 272.000 0.336 261.000 0.323 245.000 0.303

Figure 4-17 The top three Outdegree on PTT site

Figure 4-17 illustrated the normalized Outdegree of code-P07000015, P02000015 and P05000019, and the normalized Outdegree of code- P07000015 is the largest on the second month. However, code-P07000015, P02000015 and P05000019 appeared closely as the time and users increase. It may be caused by the new discussions emerging so that it down size the normalized Outdegree.

4.4.2 Outdegree analysis of the Facebook site (1) Outdegree of the Facebook site

The Outdegree index of the Facebook site is sorted as shown in Table 4-13 in five months, and the above items of Table 4-13 are number, code, Outdegree, and normalized Outdegree. The normalized Outdegree (NrmOutdegree) showed the objective figure and represented the phenomenon of Outdegree’s dilution with the numbers of site user increasing so as to comprehend the partial state of information diffusion.

The range of the normalized numeric is from 16.915 to 0.595, and it

extracted the top twenty Outdegree numeric from 82 users, and demonstrated the centralized outward network of PTT site through five months.

For the site characteristics, the degree of code-F01001is greater than others, and it means that the network is centralized outward by the code-F01001, and other nodes surrounding it through the time increases. The Codes of highest degree is F01001. This study illustrated the Outdegree of the separate code through five months hereafter.

Table 4-13 Outdegree of the Facebook site in five months

No. Code Outdegree NrmOutdegree

(2) The code of top Outdegree in five months on Facebook site

Table 4-14 showed the Outdegree of Code- F01001, and the un-normalized Outdegree is becoming greater from the first to the fifth month, and the normalized Outdegree is not becoming greater with the time increasing.

It means that the network of Facebook site does not centralize outward over time significantly for the users’ increment and diffused through five months by the code-F01001. Moreover, the articles posted may not attract enough users to respond the new discussions.

Table 4-14 The code of highest Outdegree on Facebook site

Code F01001

Month Outdegree NrmOutdegree

1 139.500 19.375

2 248.000 17.514

3 263.500 15.912

4 279.000 15.709

5 341.000 16.915

Figure 4-18 illustrated the normalized Outdegree of code-F01001, F03003 and F02001, and the normalized Outdegree of code- F01001 is the largest and steady as the time and users increasing. The top three is the same as the Degree and Indegree showed.

Figure 4-18 The code of the highest Outdegree on Facebook site

4.4.3 Remarks

From the Outdegree analysis of these two sites, the centrality users are not limited to the posts on the PTT site. They may be interested in further topics about the new discussions to induce more responses about the articles posted.

In contract to the Facebook site, only HTC official has the highest influence of outward information diffusion.