Well In trading , the first thing you would have to under is confidence in your strategy. So that, now show the importance of analyzing the market before entering.
If you don't analyze a market before entering you will always be afraid to enter the market and sometimes be quick to leave the market because of uncertainty. Hence you should analyze your market very well to avoid rushing out of the market.
The importance of strategy is to reduce your losses and increase your wins . Were if you lose 5 trades and win 5 trades you should still be on profit. We need to understand that the market is not controled by you, so you make your strategies and stick to it
Yes, analyzing the market before entering will determine you what strategy you should use. That means you need many strategies in trading so you can apply the strategy with the current situation that happens in the market.
A strategy will help you to search for the way to profit so the analysis should be done before you trade and know what strategy that match with the market. You need to calm down in trading so you can analyze the market without rushing out and find the right time to trade.
If you think that none of your strategy can work in the market, you don't have force to enter the market. It is better to wait and see what will happen to the market.