〜の方(ほう)が

the one that is more

Marks which of two things is more so: "X is more…". It often comes with より.

Readings

How to form it

After a noun, add の方(ほう)が: 電車(でんしゃ)の方(ほう)が速(はや)い (the train is faster).
After a verb or adjective, add 方(ほう)が with no の: 大(おお)きい方(ほう)がいい (the bigger one is better).
The other item takes より: 電車(でんしゃ)の方(ほう)がバスより速(はや)い.

電車(でんしゃ)の方(ほう)がバスより速(はや)いです。

The train is faster than the bus.

夏(なつ)より冬(ふゆ)の方(ほう)が好(す)きです。

I prefer winter to summer.

It answers どちら questions: 犬(いぬ)と猫(ねこ)と、どちらが好(す)きですか — 猫(ねこ)の方(ほう)が好(す)きです.
The た-form + 方(ほう)がいい gives advice: 早(はや)く寝(ね)た方(ほう)がいい (you'd better go to bed early).