This is the 384th most frequent Chinese word.
根據
"According to" or "based on."
In this sentence, '根據' means 'based on' and is used to indicate that the action of choosing clothes is done according to the information provided by the weather forecast.
我們根據天氣預報選擇了合適的衣服。
We chose suitable clothes based on the weather forecast.
Here, '根據' translates to 'according to', used to refer to compliance or conformity to a set of rules.
根據規定，所有學生都必須穿校服。
According to the rules, all students must wear uniforms.
In this context, '根據' means 'according to', telling that the analysis should be done in reference to the chart provided.